Nelson takes 31 OG command

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event. (U.S. Air Force photo by Tech. Sgt. Andrew Satran)

AVIANO AIR BASE, Italy -- Col. Richard Nelson took command of the 31st Operations Group from Col. Craig Hollis during a change of command ceremony, July 10, 2017, at Aviano Air Base, Italy. Brig. Gen. Lance Landrum, 31st Fighter Wing commander, presided over the event.