US National Archives - Hi-Res period color photos - Juno II - Vanguard - Thor Able...

[bercr]

Juno II
https://catalog.archives.gov/id/354890124
Vanguard
https://catalog.archives.gov/id/354890116
Thor Able
https://catalog.archives.gov/id/354890110
Others
https://catalog.archives.gov/search?availableOnline=true&page=1&q=Missile launches&recordGroupNumber=255&sort=title:asc&typeOfMaterials=Photographs and other Graphic Materials

 

[publiusr]

A little more on Explorer I
https://airandspace.si.edu/stories/editorial/missing-history-explorer-1-satellite
https://www.amcom.army.mil/News/Art...f-the-army-in-space-the-launch-of-explorer-i/