Combat controllers train for two years at Pope and elsewhere to do mostly covert missions in hostile territory. The “battlefield airmen” can parachute or infiltrate into enemy territory to set up drop zones, do air-traffic control or call in aircraft to shoot or drop bombs on the enemy. They often work on an Army Special Forces or Navy SEAL team and fight alongside soldiers and sailors while summoning Air Force firepower from overhead. The aircraft often are firing near “friendly” forces on the ground.

Rhyner is credited with saving his team from being overrun twice in a 6-hour battle in the Shok Valley. Members of A-Team 3336 from Fort Bragg’s 3rd Special Forces Group received 10 Silver Stars, the Army’s third highest award for combat valor, for their actions in that engagement....