Mangrove Group Marines provide simulated security during a dive mission in Key West, Fla., Jan. 24, 2018. The Marines, assigned to Charlie Company, 2nd Reconnaissance Battalion, were preparing for an upcoming deployment. Marines Corps photo by Lance Cpl. Brennon A. Taylor SHARE IMAGE: Download Image: Full Size (2.18 MB) Tags: training, MARINE CORPS, MARINES Photo By: Lance Cpl. Brennon Taylor VIRIN: 180124-M-TF447-0046C.JPG Photo Gallery