Lieutenant Colonel Kjäll Gopaul, Director of Joint and Air Staff Liason at the LeMay Center for Doctrine Development and Education at the Pentagon, communicates with a CH-47 Chinook helicopter dropping troops for combat exercises at the landing zone near Brandywine, Md., June 19. The training included Members of the 89th Communications Squadron from Joint Base Andrews, 579th Medical Group from Joint Base Annacostia-Bolling, and the 55th Signal Company from Fort Meade, Md. (U.S. Air Force photo by Senior Airman Torey Griffith)