Staff Sgt. Herbert Scott, Reach 7170 flying crew chief, changes engine oil on a 3rd Airlift Squadron C-17 Globemaster III at Fort Carson, Colo., in support of hurricane relief efforts in the U.S. Virgin Islands, Sept. 26, 2017. Reach 7170 transported essential recovery equipment from the 68th Combat Sustainment Support Battalion to the survivors of Hurricane Maria at Cyril E. King Airport in St. Thomas, U.S. Virgin Islands. (U.S. Air Force photo by Tech. Sgt. Matt Davis)

A C-130 Hercules assigned to the Rhode Island Air National Guard, takes off from the Cyril E. King Airport in St. Thomas, U.S. Virgin Islands, Sept. 26, 2017. Hurricane Maria formed in the Atlantic Ocean and affected islands in the Caribbean Sea, including Puerto Rico and the U.S. Virgin Islands. U.S. military assets supported Federal Emergency Management Agency as well as state and local authorities in rescue and relief efforts. (U.S. Air Force photo by Tech. Sgt. Larry E. Reid Jr.)

An F-16 Fighting Falcon assigned to the 480th Fighter Squadron takes off for a night training mission at Spangdahlem Air Base, Germany, Sept. 28, 2017. As U.S. Air Forces in Europe's only F-16 Block 50 squadron, the unit provides the Supreme Headquarters Allied Forces Europe and USAFE commanders with dedicated suppression of enemy air defense, air interdiction, counter-air and close air support capability. (U.S. Air Force photo by Staff Sgt. Jonathan Snyder)

Airmen and their families from Keesler Air Force Base, Miss. hold candles during Lanterns for Lives on the Biloxi, Miss. beachfront, Sept. 29, 2017, an event to honor the lives of those who committed suicide. The event was hosted by the mental health clinic from Keesler AFB and was attended by base leadership and people from the local community. September is Suicide Prevention Month and this event aimed to bring awareness and encourage people to seek help if they need it. (U.S. Air Force photo by Tech. Sgt. Ryan Crane)

Tech. Sgt. Kevin Seney, 335th Training Squadron instructor, participates in a flag folding ceremony during a POW/MIA Retreat ceremony Sept. 15, 2017, at Keesler Air Force Base, Miss. The event, hosted by the Air Force Sergeants Association chapter 652, was held to raise awareness and pay tribute to all prisoners of war and military members still missing in action. (U.S. Air Force photo by Kemberly Groue)

Airmen and families from Nellis Air Force Base, Nev., hold candles during a vigil at the base chapel, Oct. 2, 2017. The vigil was held to reflect upon the traumatic events that took place during the Las Vegas shooting at the Route 91 Harvest Music Festival. (U.S. Air Force photo by Senior Airman Kevin Tanenbaum)

Tech Sgt. Lara Mastel pushes off for the women’s 50 meter backstroke competition during the 2017 Invictus Games in Toronto, Sept. 29, 2017. (DoD photo by E.J. Hersom)

A B-52 Stratofortress from Barksdale Air Force Base, La., receives fuel from a KC-135 Stratotanker from RAF Mildenahall, England, Sept. 27, 2017, over the Mediterranean Sea. Part of the crews training during the deployment included releasing inert ordnance while flying over controlled airspace areas of the Netherlands and England. (U.S. Air Force photo by Airman 1st Class Benjamin Cooper)

Color guard members present the colors during the 733rd Mission Support Group change of responsibility ceremony at Joint Base Langley-Eustis, Va., Sept. 27, 2017. Members of the 633rd Air Base Wing were also in attendance to welcome a new command sergeant major to the unit. (U.S. Air Force photo by Airman 1st Class Kaylee Dubois)

Aircrew members from Dover Air Force Base, Del. operate a C-17 Globemaster III during a training mission over Pennsylvania Sept. 28, 2017. The aircraft made several aerial refueling connections with a KC-135 Stratotanker during the mission. (U.S. Air Force photo by Tech. Sgt. Chuck Broadway)

Staff Sgt. James Matthews II, 81st Security Forces Squadron flight sergeant, holds his post during an active shooter exercise at the Larcher Chapel Sept. 21, 2017, on Keesler Air Force Base, Miss. The exercise simulated an active shooter at the Arnold Medical Annex and the Larcher Chapel in order to test the base's ability to respond to and recover from a mass casualty event. (U.S. Air Force photo by Kemberly Groue)

WC-130E Hercules crew members move cargo at Muñiz Air National Guard Base, Puerto Rico, Oct. 2, 2017. Hurricane Maria formed in the Atlantic Ocean and affected islands in the Caribbean Sea, including Puerto Rico and the U.S. Virgin Islands. U.S. military assets supported Federal Emergency Management Agency as well as state and local authorities in rescue and relief efforts. (U.S. Air Force photo by Tech. Sgt. Larry E. Reid Jr.)