190319-N-AX144-1019 CHEATHAM ANNEX, Va. (Mar. 19, 2019) - Seabees from Construction Battalion Maintenance Unit (CBMU) 202 erect Air-Beam tents designed to house the expeditionary medical facility during a field training exercise at Cheatham Annex Naval Weapons Station Yorktown. CBMU-202 provides contingency public works support for advanced bases and expeditionary medical facilities, expeditionary support for Naval Construction Force higher headquarters, line haul and equipment maintenance, general engineering, construction support, and humanitarian assistance and disaster recovery to Navy regional commanders. (U.S. Navy photo by Engineering Aide 2nd Class Travis Kovalak)