“Advanced Helicopter Rescue School An aviation survival technician is lowered from an MH-65 Dolphin helicopter during training near the North Head Light in Ilwaco, Wash., Nov. 10, 2016. The training was part of the week-long Advanced Helicopter Rescue School. U.S. Coast Guard photo by Petty Officer 1st Class Levi Read.

“Sailors stand sea and anchor detail and security watches USS Mahan as they depart Funchal. FUNCHAL, Portugal (Nov. 27, 2016) Sailors stand sea and anchor detail and security watches aboard guided-missile destroyer USS Mahan (DDG 72) as they depart Funchal, Portugal after a brief stop for fuel Nov. 27, 2016. Mahan is in the U.S. 6th fleet area of operations in support of U.S. national security interests in Europe. U.S. Navy photo by Petty Officer 1st Class Timothy Comerford/Released“

“Strafing Fire A U.S. Marine Corps UH-1Y Venom assigned to Marine Aviation Weapons and Tactics Squadron One engages targets during an urban close air support exercise at Yodaville, Yuma, Arizona, Sept. 30, 2016. The urban close air support exercise was part of Weapons and Tactics Instructor Course (WTI) 1-17, a seven-week training event, hosted by MAWTS-1 cadre, which emphasizes operational integration of the six functions of Marine Corps aviation in support of a Marine Air Ground Task Force. Marine Corps photo by Lance Cpl. Danny Gonzalez“

“Airman Marquel Marshall and Airman 1st Class Darris Little, both 67th Aircraft Maintenance Unit F-15 Eagle crew chiefs, service a liquid oxygen converter on the flightline Aug. 24, 2016, at Kadena Air Base, Okinawa. Marshal and Little work as swing shift maintainers, ensuring around-the-clock mission readiness of Kadena AB’s F-15s. (U.S. Air Force photo/Senior Airman Peter Reft)”

Air Assault U.S. Army Soldiers conduct rappel training from a UH-60 Black Hawk helicopter at Fort Bliss, Texas, Aug. 23, 2016. U.S. Army photo by Abigail Meyer