ORFEUS-SPAS: Orbiting and Retrievable Far and Extreme Ultraviolet Spectrograph Shuttle Pallet Satellite

What does ORFEUS-SPAS mean? The above is one of ORFEUS-SPAS meanings. It may have other definitions. Please refer to the end of this passage.

Definition in English: Orbiting and Retrievable Far and Extreme Ultraviolet Spectrograph Shuttle Pallet Satellite