Steven Prewitt, project coordinator, Weapons Systems Support of Test, Measurement and Diagnostic Equipment Division, uses a Virtual Instrument Portable Equipment Repairer/Tester system to check the functionality of a Thermal Laser Spot Imager, Sept. 10. TMDE is part of Marine Depot Maintenance Command. MDMC is the recent recipient of the Robert T. Mason Award for Depot Maintenance Excellence for 2015. - Steven Prewitt, project coordinator, Weapons Systems Support of Test, Measurement and Diagnostic Equipment Division, uses a Virtual Instrument Portable Equipment Repairer/Tester system to check the functionality of a Thermal Laser Spot Imager, Sept. 10. TMDE is part of Marine Depot Maintenance Command. MDMC is the recent recipient of the Robert T. Mason Award for Depot Maintenance Excellence for 2015.