Maj. Gen. Mark Hicks, Air Force Special Operations Command director of operations, salutes the graves of Spirit 03 crew members during a remembrance ceremony at Barrancas National Cemetery on Naval Air Station Pensacola, Fla., Jan. 31, 2015. Losing Spirit 03 and its crew members was the largest single loss by an Air Force unit during Operation Desert Storm. (U.S. Air Force photo/Airman 1st Class Jeff Parkinson)

Wreaths are displayed on the graves of Spirit 03 crew members during a remembrance ceremony at Barrancas National Cemetery on Naval Air Station Pensacola, Fla., Jan. 31, 2015. While providing support for joint forces on Jan. 31, 1991, Spirit 03 was shot down, and 14 crew members lost their lives. (U.S. Air Force photo/Airman 1st Class Jeff Parkinson)

A soon-to-be retired AC-130H Spectre makes a final flyover during a remembrance ceremony at Barrancas National Cemetery on Naval Air Station Pensacola, Fla., Jan. 31, 2015. The AC-130H Spectre’s primary missions are close air support, air interdiction and armed reconnaissance. (U.S. Air Force photo/Airman 1st Class Jeff Parkinson)

Lt. Gen. Brad Heithold, Air Force Special Operations Command commander, salutes the graves of Spirit 03 crew members during a remembrance ceremony at Barrancas National Cemetery on Naval Air Station Pensacola, Fla., Jan. 31, 2015. Losing Spirit 03 and its crew members was the largest single loss by an Air Force unit during Operation Desert Storm. (U.S. Air Force photo/Airman 1st Class Jeff Parkinson)

Hurlburt Field Honor Guard members post the colors during a remembrance ceremony at Barrancas National Cemetery on Naval Air Station Pensacola, Fla., Jan. 31, 2015. The ceremony honored the crew of AC-130H Spectre, Spirit 03, which was shot down Jan. 31, 1991, during the Battle of Khafji. (U.S. Air Force photo/Airman 1st Class Jeff Parkinson)

Lt. Gen. Brad Heithold, Air Force Special Operations Command commander, speaks about the mission of Spirit 03 during a remembrance ceremony at Barrancas National Cemetery on Naval Air Station Pensacola, Fla., Jan. 31, 2015. Losing Spirit 03 and its crew members was the largest single loss by any Air Force unit during Operation Desert Storm. (U.S. Air Force photo/Airman 1st Class Jeff Parkinson)

Tech. Sgt. Raymond Kessner, 18th Flight Test Squadron AC-130J sensor operator, lays a wreath during a remembrance ceremony at Barrancas National Cemetery on Naval Air Station Pensacola, Fla., Jan. 31, 2015. The ceremony honored the crew of AC-130H Spectre, Spirit 03, which was shot down Jan. 31, 1991, during the Battle of Khafji. (U.S. Air Force photo/Airman 1st Class Jeff Parkinson)

Airmen salute the graves of Spirit 03 crew members during a remembrance ceremony at Barrancas National Cemetery on Naval Air Station Pensacola, Fla., Jan. 31, 2015. During the Battle of Khafji, Spirit 03, an AC-130H Spectre, was shot down in the early hours of Jan. 31, 1991. (U.S. Air Force photo/Airman 1st Class Jeff Parkinson)