Payload Specialist - Alternate and Back-up (not Flown) Payload Specialists

Alternate and Back-up (not Flown) Payload Specialists

This section needs to be completed

• STS-9

Wubbo Ockels, Michael Lampton

• STS-40

Robert W. Phillips

• STS-41-G

Robert Thirsk

• STS-51-F

George W. Simon, Diane K. Prinz

• STS-61-A

Ulf Merbold

• STS-50

Joseph M. Prahl, Albert Sacco

• STS-65

Jean-Jacques Favier

• STS-73

David H. Matthiesen, R. Glynn Holt

• STS-78

Pedro Duque, Luca Urbani

• STS-83

Paul Ronney

• STS-94

Paul Ronney

• STS-90

Alexander W. Dunlap, Chiaki Mukai