A CV-22B Osprey flies over a tree line during a night-flying sortie over Hurlburt Field, Fla., Oct. 22, 2015. The Osprey is a tilt-rotor aircraft that combines the vertical takeoff, hover and vertical landing qualities of a helicopter with the long-range, fuel efficiency and speed characteristics of a turboprop aircraft. (U.S. Air Force photo by Senior Airman Ryan Conroy/Released)

Chief Master Sgt. Barry Fegan, 8th Special Operations Squadron flight engineer instructor, scans the horizon using night-vision goggles during a training mission on a CV-22B Osprey over Hurlburt Field, Fla., Oct. 22, 2015. Osprey aircrew fly night sorties to practice using night-vision equipment and perform tactics critical to successful real-world operations. (U.S. Air Force photo by Senior Airman Ryan Conroy/Released)

Chief Master Sgt. Barry Fegan, 8th Special Operations Squadron flight engineer instructor, provides simulated security with a .50 caliber machine gun during a CV-22B Osprey takeoff, over Hurlburt Field, Fla., Oct. 22, 2015. The primary mission of the Osprey is to supply special operations forces with long-range infiltration, exfiltration and resupply. (U.S. Air Force photo by Senior Airman Ryan Conroy/Released)

A CV-22B Osprey flies in formation as Chief Master Sgt. Barry Fegan, 8th Special Operations Squadron flight engineer instructor, provides simulated security during a training mission over Hurlburt Field, Fla., Oct. 22, 2015. The CV-22B Osprey is a tilt-rotor aircraft that combines the vertical takeoff, hover and vertical landing capabilities of a helicopter with the long-range, fuel efficiency and speed characteristics of a turboprop aircraft. (U.S. Air Force photo by Senior Airman Ryan Conroy/Released)

Capt. Bryan Jones, 8th Special Operations Squadron CV-22B Osprey pilot, performs a pre-flight inspection before a night-flying training mission, on Hurlburt Field, Fla., Oct. 22, 2015. Osprey pilots perform simulated combat missions at night to train on using night-vision equipment and perform tactics critical to successful real-world operations. (U.S. Air Force photo by Senior Airman Ryan Conroy/Released)

Airmen with the 1st Special Operations Logistics Readiness Squadron petroleum, oil and lubricants shop, fuel a CV-22B Osprey before a night-flying training mission on Hurlburt Field, Fla., Oct. 22, 2015. The Osprey is a tilt-rotor aircraft that combines the vertical takeoff, hover and vertical landing qualities of a helicopter with the long-range, fuel efficiency and speed characteristics of a turboprop aircraft. (U.S. Air Force photo by Senior Airman Ryan Conroy/Released)

Staff Sgt. Christopher Reedy, 8th Special Operations Squadron flight engineer, steps to a CV-22B Osprey for a night-flying training mission, at Hurlburt Field, Fla., Oct. 22, 2015. The primary mission of the Osprey is to supply special operations forces with long-range infiltration, exfiltration and resupply. (U.S. Air Force photo by Senior Airman Ryan Conroy/Released)

Lt. Col. Martin Schweim, 18th Flight Test Squadron pilot, signs out a helmet at aircrew flight equipment before a night-flying training mission, at Hurlburt Field, Fla., Oct. 22, 2015. The CV-22B Osprey pilots fly night sorties to practice using night-vision equipment and perform tactics critical to successful real-world operations. (U.S. Air Force photo by Senior Airman Ryan Conroy/Released)

Lt. Col. Martin Schweim, 18th Flight Test Squadron CV-22B Osprey pilot, gathers aircrew flight equipment before a night-flying training mission, at Hurlburt Field, Fla., Oct. 22, 2015. The CV-22B Osprey pilots fly night sorties to practice using night-vision equipment and perform tactics critical to successful real-world operations. (U.S. Air Force photo by Senior Airman Ryan Conroy/Released)