SANTA RITA, Guam (Jan. 21, 2022) Electronic Technician 1st Class Steven Protain, right, assigned to Commander, Task Force 75, and Boatswain’s Mate 3rd Class Nathan Williams, assigned to Navy Expeditionary Logistics Support Group, lay down spill containment during the 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)