Public domain
PORTRAIT - WALKER, DAVID M., ASTRONAUT CANDIDATE
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
S78-35285 (31 January 1978) --- Astronaut David M. Walker.
NASA Image and Video Library’s own descriptionCredit linePORTRAIT - WALKER, DAVID M., ASTRONAUT CANDIDATE. NASA/JSC, 1977-09-20. Public domain. ID: S78-35285.
