The ATF Dingo is a German heavily armored military infantry mobility vehicle.
The Dingo's standard armament is a remote controlled Rheinmetall MG3 machine gun turret. The 7.62 mm MG can be replaced with a 12.7 mm MG or a HK GMG automatic grenade launcher.
Skylab was the United States' first space station, and the second space station visited by a human crew. It was also the only space station NASA launched alone. The 100-ton space station was in Earth's orbit from 1973 to 1979 and it was visited by crews three times in 1973 and 1974. [Wikipedia]