U.S. Navy Rear Admiral Scott Robertson, Director, Strategy, Policy, and Plans, North American Aerospace Defense Command and U.S. Northern Command, welcomes Royal Navy Rear Admiral Steve Moorhouse, Assistant Chief of Defence Staff for Operations and Commitments, Dec. 11, 2024, at the NORAD and USNORTHCOM headquarters on Peterson Space Force Base, Colorado. During the visit, NORAD and USNORTHCOM and the UK MOD discussed mutual homeland defense domain concerns and priorities. (Department of Defense photo by Josh Armstrong)