SAN DIEGO (Feb. 23, 2021) Sailors assigned to Maritime Expeditionary Security Squadron (MSRON) 11 are underway aboard a 34-foot Sea Ark Patrol Boat as they conduct static security protection as part of final evaluation exercises provided by Maritime Expeditionary Security Group (MSEG) 1 Training Evaluation Unit. The Maritime Expeditionary Security Force is a core Navy capability that provides port and harbor security, high value asset security, and maritime security in the coastal and inland waterways. (U.S. Navy photo by Chief Boatswain's Mate Nelson Doromal Jr.)