The string "Dod (82)" closely matches the classification for , which was the first Department of Defense payload flown on the Space Shuttle mission STS-4 in June 1982.
The "82" could also refer to the , a common subject of military and technical demonstration videos.
Fourth Space Shuttle Mission - NASA Technical Reports Server
The "82" may refer to the . The Department of Defense (DoD) has produced numerous official training and documentary films featuring this unit.
The search for "Dod (82) mp4" does not return a single, widely recognized film or media product by that exact name. It is likely a for a specific digital asset rather than a mainstream title.