Marines TV

Members of Headquarters and Service Battalion, U.S. Marine Corps Forces Command, Fleet Marine Force Atlantic, Facility Maintenance Team, repairs a heating, ventilation, and air conditioning system (HVAC) May 13, 2020, at Hopkins Hall Gym, on Camp Elmore in Norfolk, Virginia. The purpose of the repair was to ensure that air pressure flows correctly to provide the gym with the ability to host a variety of events by improving the airflow throughout the building. (U.S. Marine Corps Video by Lance Cpl. Jack Chen/released)

Marine Corps Air Station (MCAS) Iwakuni family housing office demonstrates how to clean a heating ventilation and air conditioning (HVAC) unit on MCAS Iwakuni, Japan, March 18, 2020. The family housing office demonstrated the cleaning process for on-base residents as an easy-to-follow guide. (U.S. Marine Corps video by Pfc. Katie Markwald)