STAFF Sergeant Dave Lacey, a gunner with the 41st Rescue Squadron, fires his weapon, a 7.62mm minigun, out of an HH-60G Pave Hawk helicopter at ground targets. The 41st Rescue Squadron is taking part in the DESERT RESCUE IX exercise at Fallon Naval Air Station (NAS), Nevada. Desert Rescue is a Combat Search and Rescue (CSAR) exercise bringing together elements from all branches of the service in a series of real world rescue and combat scenarios