U.S. Coast Guard Petty Officer 2nd Class Jessica Maldonado-Gonzalez, a machinery technician (MK) assigned to Station Mayport, Florida, serves as an officer of the day, boarding officer, boat engineer and boatcrew member at the station, June 5, 2020. MKs work in all areas of machinery operation and maintenance from internal combustion engines to environmental support systems, hydraulics, basic electricity, and areas of hazardous material recovery and control. (U.S. Coast Guard photo by Petty Officer 2nd Class Barry Bena)
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