Johnson Space Centre was located in the United States. Among its departments it had the Space Radiation Health Research department.
Between 2048 and 2058 Tarak Ital joined the Space Radiation Health Research department at the Johnson Space Centre.
At this time Yuri Kerenski took the opportunity of a training course at the Johnson Space Centre after his brother Mikhail Kerenski left Moscow for Dagestan. Yuri Kerenski met Tarak Ital there and the two men immediately became friends. (TV: The Waters of Mars)