| 1. |  | M.D. Ross prepares to go aloft | Ross, Malcolm D.; Purdue University--Alumni and alumnae; Alumni & alumnae; | Cmdr. M.D. Ross shown as he prepares to go aloft from iron mine Crosby, Minn., on a 34.7-hour flight for test of cabin environmental control and test of John Hopkins telescope. During flight, which began... |
