Capt. Andrew “Dojo” Olson, F-35 Heritage Flight Team pilot and commander, performs a high speed pass in an F-35A Lightning II over Lake Michigan during the Chicago Air and Water Show in Chicago, Aug. 19, 2018. The F-35A Lightning II is equipped with the largest single engine motor ever built and is capable of reaching speeds of up to 1,200 miles per hour. (U.S. Air Force photo by Airman 1st Class Alexander Cook)

Staff Sgt. Timothy Driver, 5th Security Forces Squadron military working dog handler, adjusts safety equipment for Deny, 5th SFS MWD, during flight familiarization training at Minot Air Force Base, N.D., Aug. 23, 2018. This was the first time the K-9 unit has flown with the 54th Helicopter Squadron. (U.S. Air Force photo by Senior Airman Jonathan McElderry)

F-16C Fighting Falcons from the U.S. Air Force Thunderbirds demonstration team perform during the Thunder over the Boardwalk Air Show in Atlantic City, N.J., Aug. 22, 2018. (U.S. Air National Guard photo by Master Sgt. Matt Hecht)

Senior Airman Troy Hicks, 7th Air Support Operation Squadron Tactical Air Control Party specialist, from Fort Bliss, Texas, advances through smoke during a simulated squad ambush as part of a Pre-Ranger Assessment Course, Aug. 26, 2018, at Moody Air Force Base, Ga. Moody AFB’s 93rd Air Ground Operations Wing hosted the three-day assessment which challenged approximately 20 Airmen from the 93rd AGOW and 23rd Wing on their physical fitness, land navigation skills, leadership qualities, water confidence and academic and tactical abilities under duress. The evaluation is designed to determine whether Airmen are ready to attend the Air Force Ranger Assessment Course held at Fort Bliss. (U.S. Air Force photo by Senior Airman Greg Nash)

A T-33 Shooting Star aircraft flies overhead during the Sound of Speed Airshow at Rosecrans Air National Guard Base, St. Joseph, Mo., August 26, 2018. The air show was hosted by the 139th Airlift Wing, Missouri Air National Guard and the city of St. Joseph to thank the community for their support. The air show committee estimated 45,000 people attended the Saturday performance. (U.S. Air National Guard photo by Staff Sgt. Patrick Evenson)

Senior Airman Austin Lebrun, left, 52nd Operation Support Squadron aircrew flight equipment journeyman, works on decontaminating Capt. Logan Mitchell, 52nd OSS AFE flight commander, during decontamination training at Spangdahlem Air Base, Germany, Aug. 23, 2018. The training involved a nine-station decontamination process demonstrating that the mission can still be accomplished in a chemical, biological, radiological and nuclear environment. (U.S. Air Force photo by Staff Sgt. Jonathan Snyder)

A T-1 Jayhawk takes off for a continuation training flight at Northwest Arkansas Regional Airport, Aug. 24, 2018. Continuation training allows instructor pilots to maintain their proficiency and qualifications. (U.S. Air Force photo by Tech. Sgt. Erik Cardenas)

Fire protection specialists assigned to the 673rd Civil Engineer Squadron battle a simulated aircraft fire during wartime-firefighting readiness training at Joint Base Elmendorf-Richardson, Alaska, Aug. 23, 2018. During the readiness training the firefighters donned various levels of mission oriented protective posture gear and practiced responding to emergency situations in a simulated toxic environment during a chemical, biological, radiological or nuclear strike. (U.S. Air Force photo by Alejandro Peña)

Maj. Paul "Loco" Lopez, F-22 Raptor Demonstration Team pilot, highlights the jet's capabilities at Joint Base Langley-Eustis, Va., Aug. 24, 2018. The Raptor performs a wide range of aerial maneuvers making it the U.S. Air Force's leading fighter aircraft. (U.S. Air Force photo by Airman 1st Class Monica Roybal)

Maj. Lauren Matthews, 18th Medical Group optometrist, Kadena Air Base, Japan, examines a patient’s eye during Pacific Angel18-4 in Vavuniya, Sri Lanka, Aug. 17, 2018. PAC ANGEL 18 is a joint and combined engagement that enhances participating nations’ humanitarian assistance and disaster relief capabilities while providing beneficial services to people in need throughout South and Southeast Asia and includes general health, dental, optometry, pediatrics and engineering programs as well as various subject-matter expert exchanges. (U.S. Air Force photo by Tech. Sgt. Heather Redman)

The U.S. Air Force Honor Guard Drill Team performs during the Royal Edinburgh Military Tattoo on the Esplanade of the Edinburgh Castle, in Edinburgh, Scotland, Aug. 13, 2018. Performers from 48 countries performed with the Honor Guard, with an audience of 220,000 viewers, and a televised viewer base of 100 million worldwide. (U.S. Air Force photo by Airman 1st Class Michael S. Murphy)

Senior Airman Ryan Harris, 96th Security Forces Squadron K9 handler, takes part in a training exercise for Caro, 96th SFS military working dog, Aug. 21, 2018, at Eglin Air Force Base, Fla. MWDs are trained to detect explosives and drugs, perform attacking tactics, patrol bases and deploy overseas with their handlers. (U.S. Air Force photo by Airman 1st Class Emily Smallwood)

Tech. Sgt. Kenneth O’Brien and Staff Sgt. Michael Galindo, 320th Special Tactics Squadron pararescuemen, lower and detach a training dummy from a rope system, Aug. 20, 2018, at Kadena Air Base, Japan. Dozens of U.S. military personnel, including pararescue Airmen based in Okinawa, were part of a multinational effort that saved 12 young soccer players and their coach from a flooded cave in Thailand. (U.S. Air Force photo by Senior Airman Omari Bernard)