Capt. Mark Cumashot refreshes tying knots with Marines and sailors with Technical Rescue Platoon, Chemical Biological Incident Response Force, Feb. 3, at Henrico Fire Drill Facility in Glen Allen, Virginia. Cumashot is the team leader of the Technical Rescue Team, Henrico County Division of Fire. - Capt. Mark Cumashot refreshes tying knots with Marines and sailors with Technical Rescue Platoon, Chemical Biological Incident Response Force, Feb. 3, at Henrico Fire Drill Facility in Glen Allen, Virginia. Cumashot is the team leader of the Technical Rescue Team, Henrico County Division of Fire.