ATLANTIC OCEAN (Dec. 18, 2021) Sailors assigned to the San Antonio-class amphibious transport dock ship USS Arlington (LPD 24), train on combating fires during a general quarters drill, Dec. 18, 2021. The Kearsarge Amphibious Ready Group and 22nd Marine Expeditionary Unit (ARGMEU) is underway conducting an Amphibious Ready Group/Marine Expeditionary Unit exercise (ARGMEUEX). (U.S. Navy photo by Mass Communication Specialist 1st Class John Bellino)