Matt Greer, a member of U.S. Marine Corps Forces Command,

Matt Greer, a member of U.S. Marine Corps Forces Command, Fleet Marine Force Atlantic, Facility Maintenance Team, brazes the pipes of the heating, ventilation, and air conditioning system (HVAC) May 13, 2020, at Hopkins Hall Gym, on Camp Elmore in Norfolk, Virginia. Brazing conjoins the two pipes together, ensuring that the HVAC will have proper airflow. The HVAC provides the gym with the ability to host a variety of events from blood drives to ceremonies by improving the airflow throughout the building.(U.S. Marine Corps Photo by Cpl. Desmond Martin)