U.S. Marines participate in a Mark 19 40mm grenade launcher range during Marine Expeditionary Force Exercise 21.1 on Fort Drum, New York, Nov. 8, 2020.

Marines with 2nd Marine Logistics Group are participating in MEFEX 21.1, a MEF-level exercise consisting of approximately 1,200 Marines and sailors across the eastern United States. (U.S. Marine Corps photo by Cpl. Adaezia Chavez)