DVD-5

DVD-5 stands for Standard Single-Sided Single-Layered DVD Disc (4.7GB)

DVBN

DVBN stands for Delaware Valley Business Network, LLC (mergers and acquisitions firm; Bryn Mawr, PA)

DVC-T

DVC-T stands for Devices Belonging to TRADOC (TRADOC training aids identifier)

DVC-D

DVC-D stands for Devices Belonging to the Department of the Army (DA training aids identifier)