NAVAL SUPPORT FACILITY INDIAN HEAD, Md. (Nov. 12, 2020) U.S. Marine Lt. Col. John Gallagher and U.S. Air Force Col. Jack Mateer, both assigned to Joint Task Force Civil Support, breach a door using mechanical advantage during chemical, biological incident reaction force training at Naval Support Facility Indian Head, Stump Neck Annex, Md. Nov. 12. This training was conducted to provide education and training for new JTF-CS personnel to shape and set conditions for interagency, response forces, and planners through support, training, and engagements. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael H. Lehman)