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Video by Scott Sturkol
91J10 Quartermaster and Chemical Equipment Repairer Course instructor discusses course, being an instructor
Fort McCoy Public Affairs Office
Jan. 9, 2026 | 7:50
Sgt. 1st Class Paul Hendrickson, instructor and course manager, discusses the 91J10 Quartermaster and Chemical Equipment Repairer Course on Jan. 9, 2026, at Regional Training Site-Maintenance at Fort McCoy, Wis. 91J (“Ninety-One Juliet”) is a U.S. Army military occupational specialty for Quartermaster and Chemical Equipment Repairer. Soldiers in this MOS are trained to perform maintenance, service, and repair on quartermaster gear and chemical equipment, including things like mobile water purification systems, laundry systems, heaters, decontamination units, and other special-purpose equipment. The coursework emphasizes reading technical manuals, using tools safely, and learning to troubleshoot and fix these types of systems. (U.S. Army Video by Scott T. Sturkol, Fort McCoy Public Affairs Office)
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