NASA astronaut Michael Foale, the UK-born veteran of three Shuttle flights, will replace Scott Parazinsky for the STS84 mission in May 1997. He will be delivered to the Russian Mir 1 space station for a planned 143-day stay. John Blaha will now fly the ST79 mission in August 1996 and Jerry Linenger the STS81 in December 1996.
Source: Flight International