Directory of U.S. Military Rockets and Missiles|
Appendix 3: Space Vehicles
|Copyright © 2007 Andreas Parsch|
The S-13 designation was skipped. Since the late 1960s, the design number 13 is no longer used for aerospace vehicle designations, obviously because of widespread triskaidekaphobia.
Back to Directory of U.S. Military Rockets and Missiles, Appendix 3