 Complete the following phrase:  Skynet 4 manufacture was carried out by British Aerospace Dynamics BAe Dynamics with Matra Marconi Space MMS providing the Communications payload. NATO adapted the design for the NATO IVA and IVB communication satellites, also manufactured by BAe Dynamics. The programme timescales were delayed, as initially Skynet 4 was designed to be launched from the Space Shuttle STS, with chosen RAF officers to be part of each Shuttle Crew. However, following the 1986 