Staff Sgt. August O?Neil, Air Force Wounded Warrior, and fellow pararescueman and Wounded Warrior, Staff Sgt. Nick Robillard, prepare to deliver the Care Beyond Duty flag during the opening ceremony of the 2016 U.S. Air Force Trials at Nellis Air Force Base, Nev., Feb. 26, 2016. More than 100 wounded, ill or injured servicemembers from around the country will compete for a spot on the 2016 Warrior Games Team, which will represent the Air Force at the U.S. Military Academy at West Point in June. (Taylor Curry/U.S. Air Force)

Members of the 179th Airlift Wing Aerial Port Squadron load a prop engine from a C-130H Hercules for deployment overseas in Mansfield, Ohio, Feb. 25, 2016. The Ohio Air National Guard unit is sending aircrew and operations support as well as maintenance personnel to support their aircraft. (Joseph Harwood/U.S. Air Force)

U.S. Air Force servicemembers assigned to RAF Mildenhall, England, review flight plans on the flight line at Istres-Le Tub? Air Base, France, Feb. 26, 2016. Since 2013, the U.S has been supporting the French government in Operation Juniper Micron by providing air refueling and airlift support to French operations in Mali and North Africa. (Erin Trower/U.S. Air Force)

Tech. Sgt. Allan Habel, a tactical aircraft maintainer, performs preflight checks on an F-16 Fighting Falcon during a practice demonstration at Nellis Air Force Base, Nev., Feb. 29, 2016. (Christopher Boitz/U.S. Air Force)

Thunderbirds pilots take off from the runway during the Commander of Air Combat Command approval demonstration at Nellis Air Force Base, Nev., March 1, 2016. The COMACC approval demonstration is a private showing of the Thunderbirds demonstration focused on safety, precision and execution of the team. (Christopher Boitz/U.S. Air Force)

A member of Team USA participates in the discus during the 2016 Air Force Wounded Warrior Trials at Nellis Air Force Base, Nev., March 1, 2016. This is the fifth time Nellis is hosting the camp. (Kevin Tanenbaum/U.S. Air Force)

Air Force Trials competitors embrace during a medal ceremony at the 2016 Air Force Wounded Warrior Trials track and field competition at Nellis Air Force Base, Nev., March 1, 2016. The Air Force Trials are an adaptive sports event designed to promote the mental and physical well-being of seriously wounded, ill and injured military members and veterans. (Kevin Tanenbaum/U.S. Air Force)

A B-1B Lancer assigned to the 28th Bomb Wing, Ellsworth Air Force Base, S.D., takes off on the first day of Red Flag 16-2 at Nellis Air Force Base, Nev., Feb. 29, 2016. (Kevin Tanenbaum/U.S. Air Force)

Tech. Sgt. Benjamin Jonas, 374th Operations Support Squadron survival, evasion, resistance and escape operations NCO in charge, jumps out of a C-130 Hercules while flying over Yokota Air Base, Japan, March 2, 2016. During the high-altitude, low-opening airdrop, Jonas jumped from 10,000 feet and parachuted to the base. (David Owsianka/U.S. Air Force)