190307-N-RU084-1007 OXNARD, Calif. (March 07, 2019) Seabees from Naval Mobile Construction Battalion 5 and Marines from I Marine Expeditionary Force fill sandbags during a military base construction and maintenance exercise during Pacific Blitz 2019 (PB19) on Marine Corps Base Camp Pendleton, California. Working hand-in-hand, the Navy expeditionary force and Marine Logistics Group capabilities complement each other in the building of advanced naval bases. PB19 provides realistic, relevant training necessary for an effective global U.S Navy and Marine Corps. (U.S. Navy photo by Mass Communication Specialist 1st Class Aaron Bewkes/Released)