Some of NASA's sixteen astronauts participate in tropic survival training from June 3, through June 6, 1963, at Albrook Air Force Base, Canal Zone. From left to right are unidentified trainer, Neil Armstrong, John H. Glenn, Jr., L. Gordon Cooper and Pete Conrad.
Some of NASA’s sixteen astronauts participate in tropic survival training from June 3, through June 6, 1963, at Albrook Air Force Base, Canal Zone. From left to right are unidentified trainer, Neil Armstrong, John H. Glenn, Jr., L. Gordon Cooper and Pete Conrad.Image Credit: NASA