190529-N-EB193-1194 SAN DIEGO (May 29, 2019) Engineman Fireman Nygell Sebastien, assigned to Amphibious Construction Battalion (ACB) 1, logs engineering data in the engine room aboard an improved Navy lighterage system causeway ferry during a craft master training exercise at Naval Amphibious Base Coronado, California, May 29, 2019. ACB-1 supports global amphibious operations and ship-to-shore operations in support of Naval Beach Group One. (U.S. Navy photo by Seaman Brett McMinoway/Released)