U.S. Marine Corps Sgt. Thomas Mosiman, a joint terminal attack controller (JTAC) assigned to 6th Air Naval Gunfire Liaison Company, checks radio equipment during Marine Forces Reserve Tactical Air Control Party Fire Exercise 23-1 at Rattlesnake Range, Camp Shelby, Mississippi, Oct. 27, 2022. JTACs are Marines from ground combat communities who receive specialized training to coordinate and direct close air support. The purpose of TACP FIREX 23-1 is to maintain joint fires proficiency and readiness to support the total force. Mosiman is a native of Roslyn, Washington. (U.S. Marine Corps photo by Cpl. James Stanfield)