Airmen from Air Combat Command, United States Air Forces in Europe, Pacific Air Force and civilian counterparts came to Joint Base Langley-Eustis, Va., to test technology and tactics during the Agile Combat Employment Command, Control and Communications Operations Rehearsal from Dec. 6-13, 2021. The rehearsal focused on C3 operations, deployable technology, practicing ACE tactics, techniques and procedures, finding areas for improvement within the ACE C3 construct, and making necessary corrections.