Hi sorry there was a slight mistake on the last version of the Flight  you couldn't grapple the Orpheus fixed now..
STS-51 for Shuttle Fleet Launching the First all Digital Satelitte
Flight payload is the Tos/ACTS Assembly and The SPAS/Orpheus Infra red SAT
Install ISS V3.2 for the Launch Pad (Love it Thorton Thanks)
and Shuttle Fleet V4+
The TOS was a totally different Upper stage Assembly
you need to select the The TOS ASE first press K to extend restraint first before deploying the ACTS assembly
Thanks to JacquesMomo I used your Spas as a Basis for the Orpheus System
just Like NASA did modding the original Spas Assembly
Thanks
David