Récupération de la capsule […] (titre original)

Vanguard launcher - [le véhicule de lancement du Vanguard] […] (titre original)

Air-recovery technique […] (titre original)

Mid-air catch of discoverer xVII capsule […] (titre original)

A 100-foot-diameter sphere similar to the ECHO I Satellite […] (titre original)

Satellite installation - the Vanguard satellite […] is instrumented to measure the earth's magnetic fiel, solar x-rays and space environmental conditions. (titre original)