Aerial porters from the Kentucky Air National Guard’s 123rd Contingency Response Group and movement specialists with the U.S. Army’s 690th Rapid Port Opening Element from Fort Eustis, Va., secure cargo during a Joint Task Force-Port Opening exercise known as Operation Lone Oak at Volk Field, Wis., June 11, 2021. The objective of a JTF-PO is to establish a complete air logistics hub and surface distribution network. (U.S. Air National Guard photo by Senior Master Sgt. Vicky Spesard)