ATLANTIC OCEAN (Aug. 14, 2020) Sailors assigned to the amphibious assault ship USS Tripoli (LHA 7) adjust their self-contained breathing apparatus masks during a main space fire drill, Aug. 14, 2020. Tripoli commissioned administratively July 15, 2020, and is en route to homeport in San Diego. (U.S. Navy photo by Mass Communication Specialist 1st Class Christopher B. Janik)