Christa McAuliffe probable the O-rings had not provided a proper seal. Barbara Radding Morgan, her backup, became a professional astronaut in January 1998, and flew on Space Shuttle mission STS-118, to the International Space Station, on August 8, 2007, aboard "Endeavour", the orbiter that replaced "Challenger". McAuliffe was buried at Blossom Hill Cemetery in her hometown, Concord. She has since been honored at many events, including the Daytona 500 NASCAR race in 1986. The McAuliffe-Shepard Discovery Center in Concord and the Christa Corrigan McAuliffe Center for Education and Teaching Excellence at Framingham State University are named in her memory, as are the
British Forces casualties in Afghanistan since 2001 accident with three other soldiers while on patrol in Nahr-e Saraj in Helmand province. On 23 June, Pte Alex Isaac, aged 20, from 3rd Battalion, The Yorkshire Regiment, died in a vehicle accident with three other soldiers while on patrol in Nahr-e Saraj in Helmand province. On 23 June, Colour Sgt Simon Martyn Horton, aged 34, from 1st Battalion The Mercian Regiment, died in a vehicle accident with three other soldiers while on patrol in Nahr-e Saraj in Helmand province. On 23 June, Pte Douglas Niall Halliday, aged 20, from 1st Battalion, The Mercian Regiment, died in a vehicle accident