 In 2010 the Shuttle was formally scheduled for retirement with "Atlantis" being taken out of service first after STS-132 in May of that year, but the program was once again extended when the two final planned missions were delayed until 2011.Later, one additional mission was added for "Atlantis" for July 2011, extending the program further.Counter-proposals to the shuttle's retirement were considered by Congress and the prime contractor United Space Alliance as late as spring 2010.