GREECE (Nov. 28, 2022) U.S. Marine Corps Cpl. Patrick Maddox, left, an ammunition technician, from Muhlenberg, Kentucky, explains to U.S. Navy Hospital Corpsman 3rd Class Lynsey Harris, right, from Lawrence, Kansas, both assigned to 8th Engineer Support Battalion, 2nd Marine Logistics Group, II Marine Expeditionary Force (MEF), the process of inserting a needle decompression during a tactical combat causality care practical application evaluation aboard the Spearhead-class expeditionary fast transport ship USNS Trenton (T-EPF 5) in Greece, November 28, 2022. Marines assigned to II MEF, based out of Camp Lejeune, North Carolina, embarked aboard Trenton to improve interoperability while refining the U.S. capability to rapidly deploy forces aboard U.S. Navy expeditionary fast transport vessels. (U.S. Marine Corps photo by Sgt. Scott Jenkins)