Center for Defense Concepts and Technology

A Marine simulates providing security for an amphibious landing in Appari, Philippines, March 28, 2022, during Balikatan, a bilateral exercise between the U.S. and Philippines. (Photo by United States Marine Corps)

A simulation at Eglin Air Force Base demonstrates the capabilities of the Joint All-Domain Command and Control framework. (US Air Force photo by Staff Sgt. Haley Phillips)

A soldier interacts with an unmanned ground vehicle during Project Convergence 2021. (U.S. Army/Marita Schwab)

Chinese and Russian warship formations sail through the Tsugaru Strait during the naval exercise Joint Sea-2021 on October 18, 2021 in the Pacific Ocean. (Photo by Sun Zifa/China News Service via Getty Images)

A protester is seen waving a Ukrainian flag during a demonstration in Krakow, Poland on February 27, 2022. (Getty Images)

A member of the 321st Contingency Response Squadron security team stands next to a Ghost Robotics Vision 60 prototype during the Advanced Battle Management System exercise on Nellis Air Force Base, Nevada, Sept. 1, 2020. (US Air Force)

The entrance to Tank 19 at the Red Hill Underground Fuel Storage Facility. (U.S. Navy)

A Ukrainian man stands in the rubble in Zhytomyr on March 02, 2022, following a Russian bombing the day before. (Photo by Emmanuel Duparcq/AFP via Getty Images)