I and my @WMDCenter colleagues Paul Bernstein, Diane Dieuliis, Gerry Epstein, and @moodiemanda wrote a chapter on WMD and Great Power competition in the recently released (4 Nov) @INSSatNDU & @ndupress book "Strategic Assessment 2020." PDF available here: https://t.co/H39JXoUH0P

Nuclear stealth bomber, the B-21 Raider, takes first test flight

Just landed at Osan Air Base for my 4th visit to the Republic of Korea as Secretary of Defense. While in 🇰🇷, I'll underscore the United States' ironclad commitment to the U.S.-ROK Alliance.

.@POTUS-- together with Japan and ROK leaders--made historic agreements this summer at the Camp David Summit. Today, I participated in trilateral discussions with Ministers of Defense from Japan and ROK to advance our mutual lines of effort from that important Summit that further

In each new generation, our veterans have pledged their lives to defend our country and our Constitution.   On this Veterans Day, I extend my deepest appreciation to America's veterans and their families for all they have given to keep America secure and strong.

Secretary Austin kicked off his trip to the Indo-Pacific in India. Watch as DASD Lindsey Ford explains the historic ways Washington and New Delhi are strengthening peace, security, and prosperity across the region:

.@SecDef is in the Republic of Korea to build on the alliance’s momentous year. He kicked off his visit with a trilateral meeting alongside his ROK & Japanese counterparts and will participate in the 55th annual SCM & inaugural ROK-UN Command Member States Defense Ministerial.

Stronger together 🤝

"More capable, more forward, and more integrated with our allies and partners." One year from the public release of the National Defense Strategy, Dr. Mara Karlin and @DepPentPressSec discuss strategy implementation and how we're realizing its focus. #NDS

The PLA’s unsafe intercept of a lawfully operating U.S. B-52 aircraft this week is the latest example of a centralized, concerted campaign by the PLA to engage in coercive and risky operational behavior in international airspace.

Steady. Fast. And absolutely Steadfast. @usairforce @US_STRATCOM

B61-13 will "replace some of the B61-7s in the current nuclear stockpile and have a yield similar to the B61-7, which is higher than that of the B61-12." Bomb will not increase overall size of US nuclear arsenal. See also fact sheet below. #deterrence https://t.co/zEbOvNQxXQ

👇From @DeptofDefense. Biden administration preparing to pursue "modern variant of B61 nuclear gravity bomb, designated B61-13." Bomb will strengthen US nuclear deterrent & provide addl option to POTUS for "certain harder & large-area military targets." 1/ https://t.co/l7u369Q1cC

https://t.co/p8ZoOTLR9T

Thanks @BrookingsFP for an excellent discussion with Dr. Mara Karlin, @DeptofDefense’s lead pen for the Nat'l Defense Strategy. Nearly one year since its public release, @SecDef has been very clear that the #NDS is DoD’s 'North Star' (1/3)

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Seoul ADEX 23 offers a venue to further strengthen the U.S. relationship with the ROK. 🇰🇷 🇺🇸

Robust readiness ➕ extended deterrence A @usairforce B-52H Stratofortress is scheduled to land on the Korean Peninsula during Seoul #ADEX23, Oct. 17-22. 📷 ROK Air Force file photo (June 30, 2023) 🔎 https://t.co/vZDA9tbZdq @ROK_MND | @US_STRATCOM | @INDOPACOM | @PACAF

All together now! Airmen from @usairforce & 대한민국 공군 (ROK Air Force) pose for a photo, today, in front of a B-52H Stratofortress from the 96th Bomb Squadron at @TeamBarksdale. 📷 Airman 1st Class Nicole Ledbetter #같이납시다 | 🇰🇷#ROKUSAlliance 🇺🇸 | #WeFlyTogether @ROK_MND

Talisman Sabre is the largest bilateral military exercise between Australia and the United States and strengthening relationships among key Allies. This year was the first that a unit from the @1stArmoredDiv participated in the exercise.

On Ukraine’s Independence Day, the United States remains committed to helping Ukraine achieve a brighter future that is determined by their people, not Russia. Slava Ukraini! #UnitedWithUkraine