 US troops prepare for Ballast Cannon 24-3 exercise. Airmen assigned to the US Central Command area of responsibility along with cargo arrive at an undisclosed location. In preparation for the Ballast Cannon 24-3 exercise, January 5, 2024. As a routine exercise occurring nearly quarterly with, the Royal Bahraini Air Force, Ballast Cannon supports the US Air Force's rapid expeditionary capabilities, by integrating agile combat employment objectives for F-16 Fighting Falcon, KC-135 Strattartanker, and operational support personnel.