Bell XS-1, Piloted by Chuck Yaeger

Front:
GLAMOROUS BEST KEGAROS 52 GLENNIS BELL XS-) Oくナノ4,19ダ>

Back:
BELL XS-1, piloted by Chuck Yeager, was the first manned rocket plane to break the sound barrier in level flight on 10/14/47. Early rocket plane flights were the first steps in manned space exploration. Printed by Valley Lithographers, Rushland, Pa. SP-12 Published 1978 by SPACE UNIT, Box 542, NY, NY 10008