Hmm, yes... very interesting! :D [Groom lake easter egg?]

[RimanDk]

Spoiler

Mission 11, captured after landing and shut-down, randomly F2'ing through assets to check out what was going on across the map =). Spotted this panning around the parked Mig 17

Thank you Greg! Made my day  

 

[Czar66]

Star Trek Type 9 Shuttlecraft. Even the numbers line up