Virgil Grissom, second American in space, suborbital (source: official) 6 August 1961 Gherman Titov, Vostok 2, second Soviet in orbit (source: official) 21 February 1962 John Glenn, first American in orbit (source: official) 15 May 1961 Loss of Alexis Belokoniov (source: Judica-Cordiglia)
