In the article “Debate Over Trump’s Fitness Raises Issue of Checks on Nuclear Power,” published in The New York Times on August 4th, CISAC senior fellow Scott D. Sagan discusses historical evidence showing a close nuclear call – and how it was diverted – during Nixon’s presidency. Highlighting the ambiguous state of nuclear checks and balances, Sagan claims that the U.S. “would be in uncharted waters if a president ordered the use of nuclear weapons and the secretary of defense refused”. To read the full article, click here.

CISAC senior fellow Scott Sagan decodes the enduring lessons and secret messages hidden in the hauting battlefield drawings of the Lakota Chief known as Red Horse, who fought against Lt. Col George Custer and his Seventh Cavalry forces during their infamous defeat in 1876, in this story for the New York Times' Sunday Review section.

In 2013, China’s president, Xi Jinping, launched a massive reclamation and construction campaign on seven reefs in the Spratly Islands in the South China Sea. Beijing insisted that its actions were responsible and in accord with international law, but foreign critics questioned Xi’s real intentions. Recently available internal documents involving China’s leader reveal his views about war, the importance of oceans in protecting and rejuvenating the nation, and the motives underlying his moves in the South China Sea. Central to those motives is China’s rivalry with the United States and the grand strategy needed to determine its outcome. To this end, Xi created five externally oriented and proactive military theater commands, one of which would protect newly built assets in the South China Sea and the sea lanes – sometimes referred to as the Maritime Silk Road – that pass through this sea to Eurasia and beyond. Simultaneously, China’s actions in the Spratlys complicated and worsened the US-China rivalry, and security communities in both countries recognized that these actions could erupt into armed crises – despite decades of engagement to prevent them. A permanent problem-solving mechanism may allow the two countries to move toward a positive shared future.

You can read the full article from CISAC co-founder John Lewis and Xue Litai on the Bulletin of the Atomic Scientists Web site.

It’s a quintessential Silicon Valley scene. A group of tech-savvy Stanford students are delivering a passionate pitch about a product they hope is going to change the world, while a room full of venture capitalists, angel investors and entrepreneurs peppers them with questions.

But there’s a twist. This Stanford classroom is also packed with decorated military veterans and active duty officers. And a group of analysts from the U.S. intelligence community is monitoring the proceedings live via an iPad propped up on a nearby desk.

These Stanford students aren’t just working on the latest “Uber for X” app. They’re searching for solutions to some of the toughest technological problems facing America’s military and intelligence agencies, as part of a new class called Hacking for Defense.

A student team briefs the class on a wearable sensor they're developing for an elite unit of U.S. Navy SEALs – a product they're pitching as "fitbit for America's divers."

Kulkarni’s team is working with an organization within the US Department of Defense to devise a system that will provide virtual assistance to Afghan and Iraqi coalition forces as they defuse deadly improvised explosive devices.

“At Stanford there’s a lot of opportunities for you to build things and go out and learn new stuff, but this was one of the first few opportunities I’ve seen where as a Stanford student and as an engineer, I can go and work on problems that will actually make a difference and save lives,” said Kulkarni.

A 21st century tech ROTC

That’s exactly the kind of “21st century tech ROTC” model of national service that Steve Blank, a consulting associate professor at Stanford’s Department of Management Science and Engineering, said he had in mind when he developed the class.

“The nation is facing a set of national security threats it’s never faced before, and Silicon Valley has not only the technology resources to help, but knows how to move at the speed that these threats are moving at,” said Blank.

MBA student Rachel Moore presents for Team Sentinel, which is working with the U.S. 7th Fleet to find better ways to analyze drone and satellite imagery.

Former U.S. Army Special Forces Colonel Joe Felter, who helped create the class and co-teaches it with Blank, said the American military needs to find new ways to maintain its technological advantage on the battlefield.

“Groups like ISIS, al–Qaeda and other adversaries have access to cutting edge technologies and are aggressively using them to do us harm around the world,” said Felter, who served in Iraq and Afghanistan and is currently a senior research scholar at Stanford’s Center for International Security and Cooperation (CISAC) and research fellow at the Hoover Institution.

“The stakes are high – this is literally life and death for our young men and women deployed in harm’s way. We’re in a great position here at Stanford and in Silicon Valley to help make the connections and develop the common language needed to bring innovation into the process, in support of the Department of Defense and other government agencies’ missions.”

Startup guru Steve Blank shares a light moment with a group of students.

“It’s like a smorgasbord of all these people coming together from different parts and different schools of Stanford, and so I think that’s just a really cool environment to be in,” said Rachel Moore, a first-year MBA student.

Moore’s team includes electrical and mechanical engineering students, and they’re working together to develop a system to enable the Navy’s Pacific Fleet to automatically identify enemy ships using images from drones and satellites.

Tough technological challenges

Months before the course start date, class organizers asked U.S. military and intelligence organizations to identify some of their toughest technological challenges.

Class co-teacher Pete Newell throws his hands up to celebrate a student breakthrough.

The Navy Special Warfare Group asked students to design wearable sensors for Navy SEALs, so they could monitor their physiological conditions in real-time during underwater missions.

Intelligence and law enforcement agencies were interested in software that could help identify accounts tied to malicious “catfishing” attempts from hackers trying to steal confidential information.

And those were just a few of the 24 problems submitted by 14 government agencies.

Developing Solutions

The class gives eight teams of four students 10 weeks to actively learn about the problem they are addressing from stake holders and end users most familiar with the problem and to iteratively develop possible solutions or  a “minimum viable product,” using a modified version of Steve Blank’s “lean launchpad methodology,” which has become a revered how-to guide among the Silicon Valley startup community.

Rachel Olney, a graduate student in mechanical engineering, tries on a military-grade dry suit on a visit to the 129th Rescue Wing at Moffett Field.

“If you’re not crawling in the dirt with these guys, then you don’t understand their problem,” Blank told the class.

One student team, which was working on real-time biofeedback sensors and geo-location devices for an elite team of Navy SEALS (a project they were initially pitching at “fitbit for America’s divers”), earned a round of applause from the class when they showed a slide featuring photos from a field trip they took to the 129th Rescue Wing at Moffett Field to find out what it felt like to wear a military-grade dry suit.

Rachel Olney, a graduate student in mechanical engineering, said the experience of squeezing into the tight suit and wearing the heavy dive gear gave her a better appreciation for the physical demands that Navy SEALs have to deal with during a mission.

“They’re diving down to like 200 feet for up to six to eight hours…and during that time they can’t eat, they can’t hydrate, they’re physically exerting a lot, because they’re swimming miles and miles and miles at depth and they can’t see and they can’t talk to each other,” Olney said.

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Another group came in for some heavy criticism from the teaching team for failing to identify and interview enough end users.

But the next week, they were back in front of the class showing a video from a team member’s visit to an Air Force base in Fresno, where he logged some time inside the 90-pound bomb suit that explosive ordinance disposal units wear in the field.

“You can’t address a customer issue unless and until you really step into the shoes of the customer,” said Gaurav Sharma, who’s a student at Stanford's Graduate School of Business.

“That was the exact reason why I went to Fresno and wore the bomb suit, to get into the shoes of the end customer.”

Navigating the defense bureaucracy

Active duty military officers from CISAC’s Senior Military Fellows program and the Hoover Institution’s National Security Affairs Fellows program act as military liaisons for the class and help students navigate the complex defense bureaucracy.

“[The students] have really just jumped in with both feet and immersed themselves in this Department of Defense world that for so many civilians is just very foreign to them,” said U.S. Army Colonel John Cogbill, who has spent the last year as a senior military fellow at CISAC.

“I think they will come away from this experience with a much better appreciation of what we do inside the Department of Defense and Intelligence community, and where there are opportunities for helping us do our jobs better.”

Cogbill said he hoped that some of the inventions from the class, like an autonomous drone designed to improve situational awareness for Special Forces teams, could help the troops on his next combat deployment, where he will serve as the Deputy Commanding Officer of the U.S. Army’s elite 75th  Ranger Regiment.

“It’s not just about making them more lethal, it’s also about how to keep them alive on the battlefield,” said Cogbill.

Students also get support from their project sponsors and personnel at the newly established Defense Innovation Unit Experimental (DIUx) stationed at Moffett Field.

Tech saves lives on the battlefield

Another key member of the teaching team is Pete Newell, who was awarded the Silver Star Medal (America’s third-highest military combat decoration), for leading a U.S. Army battalion into the Battle of Fallujah, where he survived an ambush and left the protection of his armored vehicle in an attempt to save a mortally wounded officer.

Class co-teacher and Silver Star Medal recipient Pete Newell explains some of the classic reasons why military products fail in the field.

“What I realized is that the guys on the front edge of the battlefield who were actually fighting the fight, don’t have time to figure out what the problem is that they have to solve,” Newell said.

“They’re so involved in just surviving day to day, that they really don’t have time to step back from it and see those problems coming, and what they needed was somebody to look over their shoulder and look a little deeper and anticipate their needs.”

One of the first and most urgent problems Newell faced on the job was responding to the sudden spike in IED attacks on dismounted infantry.

The Army was still using metal detector technology from the ‘50s to find mines, but the new breed of IEDs, which were often hidden inside buried milk jugs, were virtually undetectable to the outdated technology.

Former U.S. Army Colonel Pete Newell demystifies some military jargon for the class.

Newell’s solution was a handheld gradiometer, the kind of technology used to find small wires in your backyard during a construction project, paired with a ground penetrating radar that can see objects underground.

But by the time the new technology reached troops in the field last summer, more than 4,000 had been wounded or killed in IED attacks.

Newell said he hoped the class would help get life-saving technology deployed throughout the military faster.

“I think it’s important to enable this younger generation of technologists to actually connect with some of the national security issues we face and give them an opportunity to take part in making the world a safer place,” Newell said.

Tom Byers, an entrepreneurship professor in Management Science and Engineering and faculty director of the Stanford Technology Ventures Program, rounds out the teaching team and brings his experience in innovation education and entrepreneurship to the classroom.

Inspiring the next generation

Students said the opportunity to find solutions to consequential problems was their primary inspiration for joining the class.

“When I first came to Stanford, the hype around entrepreneurship was very much around, ‘go out, make an app, do something really fun and cool, and get rich’,” said Darren Hau, a junior in Electrical Engineering.

Students share a laugh during a class break.

Felter said he was humbled that so many students were willing to serve in this way.

“It’s encouraging to find out that students at one of our top universities are very interested and highly motivated to work very hard and use their skills and expertise and talent and focus it on these pressing national security problems,” said Felter.

The teaching team said they planned on expanding their class to other universities across the country in the coming years, to create a kind of open source network for solving unclassified national security problems.

For military officers like Cogbill, who will likely soon be leading U.S. soldiers into combat, that’s welcome news.

“Every time you run a course, that’s eight more problems,” Cogbill said.

“If this scales across 10, 20, 30, 40 more universities, you can imagine how many more problems can be solved, and how many more lives can potentially be saved.”

A shadowy terror group smuggles a crude nuclear bomb into the United States, then detonates it right in the heart of Washington D.C., setting off a 15 kiloton explosion.

Eighty thousand Americans are killed instantly, including the president, vice president and most of the members of Congress, and more than a hundred thousand more are seriously wounded.

News outlets are soon broadcasting a message they’ve all received from a group claiming responsibility.

It says there are five more bombs hidden in five different cities across the America, and one bomb will be set off each week for the next five weeks unless all American troops based overseas are ordered to immediately return to the U.S. homeland.

The nation is thrown into chaos, as millions scramble to flee the cities, clogging roads and choking telecommunications systems.

The stock market crashes, before trading is halted altogether.

Martial law is declared, amid widespread looting and violence.

That was just one of the nightmare scenarios for a potential nuclear disaster that former U.S. Secretary of Defense William J. Perry vividly described as he delivered the Center for International Security and Cooperation’s annual Drell Lecture on Wednesday.

“My bottom line is that the likelihood of a nuclear catastrophe today is greater than it was during the Cold War,” Perry said.

Most people were “blissfully unaware” of the danger that simmering conflicts in geopolitical flash points around the globe – including Russia, China, North Korea, Iran and Pakistan – could easily turn nuclear, Perry told the Stanford audience.

A new nuclear arms race with Russia

Perry said he had tried to foster closer cooperation between the U.S. and Russia when he headed the Pentagon during the mid ‘90s and helped oversee the joint dismantling of four thousand nuclear weapons.

“When I left the Pentagon, I believed we were well on the way to ending forever that Cold War enmity, but that was not to be,” he said.

William J. Perry shares a video depicting the threat of nuclear terrorism with a Stanford audience.

Since then, relations between the West and Russia have soured badly, prompting Russia to modernize its nuclear arsenal and assume a more aggressive nuclear posture.

“They’re well advanced in rebuilding their Cold War nuclear arsenal, and it is Putin’s stated first priority,” Perry said.

“And they have dropped their former policy of no first use of nuclear weapons, and replaced it with a policy that says nuclear weapons will be their weapon of choice if they are threatened.”

While Perry said he believed Russian president Vladimir Putin did not want to engage in a military conflict with NATO forces, he said he was concerned about the possibility of Russia making a strategic miscalculation and stumbling into a conflict where they might resort to the use of tactical nuclear weapons.

“If they did that there’s no way of predicting or controlling the escalation that would follow thereafter,” Perry said.

Chinese economic problems increasing tensions

In Asia, a slowing Chinese economy could exacerbate domestic political tensions over issues such as wealth inequality and pollution, and encourage Chinese leaders to divert attention from problems at home by focusing on enemies abroad.

“China has had more than 10 percent growth now for almost three decades, but I think there’s trouble ahead,” Perry said.

“The time-proven safety valve for any government that’s in trouble is ultra-nationalism, which in the case of China translates into anti-Americanism and anti-Japanese.”

China has seen a major growth in military expenditures over the last decade, and it has used that investment to build a blue water navy and develop effective anti-ship missiles designed to drive the U.S. Navy hundreds of miles back from the Chinese coastline.

One potential flash point for a conflict between China and the U.S. are the artificial islands that China has been building in the disputed waters of the South China Sea.

“In a sense, China is regarding the South China Sea as a domestic lake, and we regard it and most other countries regard it as international waters, so their actions have been challenged by the U.S. Navy and will continue to be challenged,” Perry said.

North Korea’s growing nuclear threat

Meanwhile, China’s neighbor North Korea has continued to defy the international community and conducted another nuclear test in January.

“North Korea is today building a nuclear arsenal, and I would say clearly it’s of the highest priority in their government, and they have adopted outrageous rhetoric about how they might use those nuclear weapons,” Perry said.

William J. Perry delivers the Drell Lecture in an address entitled "A National Security Walk Around the World."

“These missiles today have only conventional warheads that are of no significant concern, but they are developing nuclear warheads,” Perry said.

“They already have developed a nuclear bomb, and the latest test, as well as tests to come, will be designed to perfect a bomb small enough and compact enough and durable enough to fit into a warhead. If they succeed in doing that, then the bluster will become a real threat.”

Perry said he hoped China and the United States could combine forces and adopt a “carrot and stick” diplomatic approach to force North Korea to abandon its nuclear weapons program – with the United States offering aid and international recognition, and China threatening to cut off supplies of food and aid.

He said he expected to see “more acting out” from the North Korean regime in the coming months, in the form of further nuclear and rocket tests.

Like it or not, the Iran deal is the only deal we’ll get

The landmark deal reached last year, where Iran agree to curtail its nuclear program in exchange for the lifting of economic sanctions, was a better resolution than Perry had expected to the negotiations, but it has met with significant resistance from groups he described as “strange bedfellows.”

“The opposition in Israel and the United States opposed the deal because they fear it will allow Iran to get a bomb,” Perry said.

“Whereas the opposition in Iran opposed the deal because they fear it will prevent Iran from getting a bomb. Both cannot be right.”

Many Republican presidential hopefuls have publicly stated on the campaign trail that they would withdraw from the deal if they got elected to the White House, but Perry said that would be a strategic mistake.

“The opposition in the United States has a simple formula – we should withdraw from the deal, we should reinstate sanctions, and we should renegotiate a better deal,” Perry said.

“Let me be as blunt as I can, this is a pure fantasy. There is not the remotest possibility that the sanction could be reapplied if the United States withdraws from this deal, because the day we withdraw from the deal, our allies are gone, the sanctions are gone, there will be no renegotiations without sanctions, so this deal, like it or not, is the only deal we will ever get.”

Another “Mumbai” attack could spark regional nuclear war

Nuclear rivals India and Pakistan have more than a hundred nuclear weapons on each side, as well as the missiles to deliver them, and a conventional military conflict between them could quickly escalate into a regional nuclear war, Perry said.

Another large-scale terror attack, like the coordinated assault in Mumbai that killed more than 163 people in 2008, could lead India to retaliate militarily against Pakistan (which India blames for encouraging the terror groups operating in Pakistani territory).

Perry said he was concerned that Pakistan would then use tactical nuclear weapons against invading Indian troops, and that India might then respond with a nuclear attack of its own on Pakistan.

“So this is the nightmare scenario of how a regional nuclear war could start,” Perry said.

“A nightmare that would involve literally tens of millions of deaths, along with the possibility of stimulating a nuclear winter that would cause widespread tragedies all over the planet.”

A ray of hope

Despite all the potential for nuclear disaster in the current geopolitical environment, Perry said he was still hopeful that nuclear catastrophe could be avoided.

"While much of my talk today has a doomsday ring to it, that truly is not who I am,” Perry said.

“I’m basically an optimist. When I see a cloud, I look for a ray to shine through that cloud.”

One important step toward reducing the nuclear threat would be improving relations between the U.S. and Russia, he said.

“My ray of sunshine, my hope, is I believe we can still reverse the slide in U.S. Russia relations, he said.

“We must begin that by restoring civil dialog. We must restore cooperation between the United States and Russia in areas where we have mutual interest…If we succeed in doing that, then we can work to stop and reverse the drift to a greater and greater dependence on nuclear weapons.”

Perry ended his speech by urging the audience to keep striving to rid the world of the threat of nuclear weapons.

“We must pursue our ideals in order to keep alive our hope – hope for a safer world for our children and for our grandchildren,” he said.

Stanford researchers working with the U.S. Navy’s Marine Mammal Program in San Diego have discovered a startling variety of newly-recognized bacteria living inside the highly trained dolphins that the Navy uses to protect its ships and submarines, find submerged sea mines and detect underwater intruders. They found similar types of bacteria in wild dolphins as well.

“About three quarters of the bacterial species we found in the dolphins’ mouths are completely new to us,” said David Relman, Stanford professor of microbiology and medicine, and co-author of a paper published in the journal Nature Communications on Wednesday.

A U.S. Navy dolphin opens its mouth for a swab to collect bacterial samples.

“Bacteria are among the most well-studied microbes, so it was surprising to discover the degree to which the kinds of bacteria we found were types that have never been described,” he said. “What novelty means is not just new names of species, families, classes or phyla…there’s reason to believe that along with this taxonomic novelty, there’s functional novelty.”

The U.S. Navy has been training dolphins and sea lions to carry out defensive military missions from their bases in San Diego and elsewhere since the early 1960s.

Over the years, it has also funded scientific research and become the single largest contributor to the scientific literature on marine mammals, producing more than 800 publications, according to the Navy.

Relman started working with the Navy more than 15 years ago to identify bacteria suspected of causing stomach ulcers in their dolphins.

His latest project to catalog the bacterial communities (or microbiota) living inside the dolphins began when the Navy asked him to help develop a probiotic bacterial strain that could keep their dolphins healthy, or help sick dolphins get better.

Navy trainers took regular swabs from the dolphins’ mouths and rectal areas, using what looked like a Q-tip, and shipped the samples to Stanford on dry ice for analysis.

Stanford researchers analyzed oral, rectal and gastric samples from the U.S. Navy's dolphins and sea lions, as well as samples from the dolphins' blowholes and the surrounding water.

The study found a similar amount of diversity and novelty in bacterial samples taken from wild dolphins living in Sarasota Bay off the west coast of Florida, although there were slight differences in the bacteria from the dolphins’ mouths.

Relman said he hoped to develop a profile of the normal microbial communities in healthy dolphins and other marine mammals, so that scientists could detect any early change that might signify an imminent disease, or health problems caused by climate change and ocean warming.

“There’s a lot of concern about the changing conditions of the oceans and what the impact could be on the health of wild marine mammals,” Relman said. “We would love to be able to develop a diagnostic test that would tell us when marine mammals are beginning to suffer from the ill effects of a change in their environment.”

The research could help solve other mysteries, such as how dolphins digest their food, even though they swallow fish whole without chewing them.

The key could be a unique bacterial group that’s also been identified in an endangered species of freshwater dolphins living in China’s Yangtze River, said Elisabeth Bik, a research associate at the Stanford Department of Medicine and lead author on the paper.

“It’s a very intriguing bacterial group that nobody has seen before in any other terrestrial animal group,” said Bik. “I would really love to know more about those bacteria and sequence their genomes to understand more about their functional capacity.”

Zak, a 375-pound California sea lion, shows his teeth during a training swim. Zak has been trained to locate swimmers near piers, ships, and other objects in the water considered suspicious and a possible threat to military forces in the area.

“The sea lions and dolphins are kept at the same facility, they’re fed exactly the same fish, and they’re swimming in the same water…but they’re very, very different in terms of microbiota,” Bik said.

Unlike dolphins, sea lions share many common types of bacteria with their terrestrial cousins.

“Sea lions weren’t that different from other carnivores like dogs and cats,” Bik said. “They’re evolutionarily related to them, and their microbiota looks very similar to those animals. But dolphins don’t really have a terrestrial mammal that’s closely related, and their microbiota looks very different from anything else that people have seen.”

Relman said his team was planning on expanding their study to include other marine mammals such as sea otters, killer whales, baleen whales, grey whales, harbor seals, elephant seals and manatees. Their purpose, in part, is to understand how life in the sea, over the millions of years since the return of mammals, may have shaped the structure of their microbial communities and the roles they play in marine mammal health.

They’re already working to analyze more than 80 samples of killer whale stool that the U.S. National Oceanic and Atmospheric Administration has gathered with the help of specially trained sniffer dogs, which stand on the bow of their boats and point to fresh killer whale feces before it sinks.

The California Department of Fish and Wildlife is contributing samples from the sea otters and seals it studies as part of its conservation, ecological, and monitoring programs.

And the Marine Mammal Center in Sausalito, which is the West Coast’s largest rescue and rehabilitation facility for marine mammals, is sending samples from the seals in its care.

Relman said the research could help scientists begin to answer fundamental questions about life in the ocean.

“Marine mammals remain one of the more poorly understood habitats for studying microbial life, and there would be lots of reasons for thinking that these are important environments to study, in part because of the relevance for the health of these marine mammals, but also because they represent a view into what it means to live in the sea and the nature of our relationship with this vast aspect of our environment,” Relman said.

Collaborators and co-authors on this study included Stephanie Venn-Watson and Kevin Carlin from the National Marine Mammal Foundation, and Eric Jensen from the Space and Naval Warfare Systems Center Pacific, in San Diego.