A member of the Ministry of Defense of Montenegro and a U.S. Cyber Command Airman, pose for a photo during Defensive Cooperation at Podgorica, Montenegro, Sept. 28, 2018. The U.S. and NATO Allies and partners are working together to provide agile forces to respond to 21st century security challenges – including cyber, hybrid and unconventional threats. Defensive Cyber cooperation is part of U.S. Cyber Command and U.S. European Command effort to support NATO allies and European partners by helping build their cyber defense capabilities. This collaboration also enables the teams to learn from one another, and demonstrates that we will not tolerate foreign malign influence on the democratic processes of our allies and partners or in the U.S (U.S. Army photo by Spc. Craig Jensen)

Secretary of Defense James Mattis addresses a joint USCYBERCOM and NSA workforce here June 19. Navy Adm. Michael Rogers, Commander of USCYBERCOM, met with Mattis and hosted him for a brief tour of the facility.

Army Gen. Paul Nakasone, commander of U.S. Cyber Command, director of the National Security Agency, and chief of the Central Security Service.

Marine Corps Lt. Gen. Vincent Stewart serves as the deputy commander for U.S. Cyber Command.

Active duty, reserve and National Guard service members participate in the Cyber Guard and Cyber Flag exercises sponsored by U.S. Cyber Command. The exercises focused on developing coordinated state government, National Guard, commercial enterprise, Defense Department and interagency responses to significant cyberspace-enabled attacks on U.S. domestic critical infrastructure by hostile actors

Sailors work together at a joint cyber training center during an April 2017 exercise.