NAVAL AMPHIBIOUS BASE CORONADO, Calif. (May 29, 2019) Engineman Fireman Nygell Sebastien, assigned to Amphibious Construction Battalion One (ACB-1), logs engineering data in the engine room aboard an Improved Navy Lighterage System Causeway Ferry during a craft master training exercise. 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)