SANTA RITA, Guam (Jan. 21, 2022) Boatswain’s Mate 3rd Class Nathan Williams, middle, assigned to Navy Expeditionary Logistics Support Group gives signals to Boatswain’s Mate Seaman Traevon DeJesus, right, while Boatswain’s Mate 2nd Class Joel Contreras observes during the Commander, Task Force 75, Command Post Exercise (CPX). CPX provides opportunities for the headquarters staff to rehearse Expeditionary Maritime Operation Center (EXMOC) roles and responsibilities in humanitarian assistance and disaster relief. (U.S. Navy photo by Mass Communication Specialist 1st Class Billy Ho)