U.S. Space Force Tech. Sgt. Alexander Hamilton, lead range technician for 25th Space Range Squadron, in support of U.S. Space Command, wires a communications satellite July 15 at Lavarack Barracks in Queensland, Australia, during Exercise Talisman Sabre 21. TS21 is Australia’s largest military exercise with the U.S. and is a demonstration of the strong alliance underpinned by deep levels of cooperation and trust built over decades of operating and training together.