John Chapman, external tank project manager, uses a small model of an external tank to address hardware improvements during one of a battery of STS-121 pre-flight press briefings at the Johnson Space Center.
Information
Taken in
Johnson Space Center
Author
NASA
Description
John Chapman, external tank project manager, uses a small model of an external tank to address hardware improvements during one of a battery of STS-121 pre-flight press briefings at the Johnson Space Center.