Petty Officer 2nd Class Luke Bateman, electronics technician, remove built up carbon and rust from the barrel of the USCGC Oliver Henry (WPC 1140) MK 38 25 mm machine gun system following the ship’s return from a 43-day Oceania patrol at the unit in Guam Sept. 28, 2022. MAT/WAT Guam is essential to keeping these new ships ready for missions like Operation Blue Pacific, an overarching multi-mission U.S. Coast Guard endeavor promoting security, safety, sovereignty, and economic prosperity in Oceania while strengthening relationships with our regional partners. (U.S. Coast Guard photo by Chief Warrant Officer Sara Muir)