Chief Warrant Officer James Waskiewicz, main propulsion assistant aboard U.S. Coast Guard Cutter Active (WMEC 618) communicates to crew while underway in the Eastern Pacific Ocean, March 16, 2023. The main propulsion department is responsible for operating and maintaining the ship’s prime movers: the engines and propellors. (U.S. Coast Guard photo by Petty Officer 2nd Class Justin Upshaw).