ISBN-13: 9781780393216 / Angielski / Miękka / 2011 / 62 str.
ISBN-13: 9781780393216 / Angielski / Miękka / 2011 / 62 str.
First published in 1999 as volume 16 in the NASA "Monograph in Aerospace History" series. This study contains photographs and illustrations.