U.S. Air Force 320th Special Tactics Squadron jumpmasters prepare for high altitude, high opening (HAHO) jump operations July 11, 2017, over Shoalwater Bay Training Area in Queensland, Australia during Talisman Saber 2017. The 320th STS combat controllers and U.S. Marine Corps 3rd Reconnaissance Battalion operators infilled two days prior to the exercise’s massive tactical (MASS TAC) airdrop of 500 jumpers in order to establish the drop zone. (U.S. Air Force photo by Capt. Jessica Tait)

Courtesy of DVIDS