Space Shuttle Columbia facility beginning in January 1984, undergoing modifications that removed the Orbiter Flight Test hardware and bringing it up to similar specifications as those of its sister orbiters. At that time the shuttle fleet was expanded to include "Discovery" and "Atlantis". "Columbia" returned to space on January 12, 1986, with the launch of STS-61-C. The mission's crew included Dr. Franklin Chang-Diaz, as well as the first sitting member of the House of Representatives to venture into space, Bill Nelson. The next shuttle mission, STS-51-L, was undertaken by "Challenger". It was launched on January 28, 1986, ten days after STS-61-C had landed,
British space programme Peter Longhurst (born in Staines, Middlesex) and RAF Squadron Leader Nigel Wood (born in York) were selected in February 1984 as payload specialists for the Skynet 4 Programme, intended for launch using the Space Shuttle. Boyle resigned from the programme in July 1984 due to Army commitments. Prior to the cancellation of the missions after the Challenger disaster, Wood was due to fly aboard Shuttle mission STS-61-H in 1986 (with Farrimond serving as his back-up) and Longhurst was due to fly aboard Shuttle mission STS-71-C in 1987 (with Holmes serving as back-up). All resigned in 1986, having not flown. Army