LT. COL. Louis Grant, 20th Special Operations Squadron commander, steps down from an HH-53H Pave Low helicopter parked on the flightline. Originally a CH-53 model, the helicopter was brought up to the HH-53H configuration by the Naval Air Rework Facility, Pensacola, Fla., as a replacement for a 20th Special Operations Squadron HH-53H that was lost in an accident