Luke Flies 5000th F-35 Sortie

Lt. Col. Gregory Frana, 62nd Fighter Squadron commander, celebrates May 19, 2016, at Luke Air Force Base after flying Luke's 5000th F-35 sortie. (U.S. Air Force photo by Airman 1st Class Pedro Mota)

Lt. Col. Gregory Frana, 62nd Fighter Squadron commander, celebrates May 19, 2016, at Luke Air Force Base after flying Luke's 5000th F-35 sortie. (U.S. Air Force photo by Airman 1st Class Pedro Mota)

Lt. Col. Gregory Frana, 62nd Fighter Squadron commander, prepares to remove his helmet May 19, 2016, at Luke Air Force Base after flying Luke's 5000th F-35 sortie. Paul Linski, 62nd Aircraft Maintenance Unit Lockheed Martin
crew chief, stands by to assist Frana in safely removing his gear and exiting the jet. (U.S. Air Force photo by Airman 1st Class Pedro Mota)

Lt. Col. Gregory Frana, 62nd Fighter Squadron commander, prepares to remove his helmet May 19, 2016, at Luke Air Force Base after flying Luke's 5000th F-35 sortie. Paul Linski, 62nd Aircraft Maintenance Unit Lockheed Martin crew chief, stands by to assist Frana in safely removing his gear and exiting the jet. (U.S. Air Force photo by Airman 1st Class Pedro Mota)

LUKE AIR FORCE BASE, Arizona -- .