U.S. Marines with Marine Light Attack Helicopter Squadron (HMLA) 469, Marine Aircraft Group 39, 3rd Marine Aircraft Wing load 20mm target practice tracer rounds into a 20/30mm linked ammo storage unit during a deployment for training (DFT) at Mountain Home Air Force Base in Mountain Home, Idaho on March 13, 2014. This DFT is a block IV unit deployment program alternate mission rehearsal exercise aimed to refine core mission essential task capabilities, and enhance esprit de corps.