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XRM-91 Blue Scout Junior

XRM-91 was the original four-stage Blue Scout Junior configuration. It combined Castor, Antares, Alcor, and Cetus solid motors, relied on fins and spin motors rather than active guidance, and flew four high-altitude research tests from 1960 through 1961.

XRM-91 Blue Scout Junior
NASA / NASA Langley Research Center · NASA-owned asset; the exact NASA Images API record LRC-1965-B701_P-07597 identifies this byte-matched photograph as a 1965 Scout launch-vehicle lift-off on Wallops Island and credits NASA at NASA Langley Research Center. NASA’s current Images and Media Usage Guidelines generally permit factual or informational/editorial use with NASA attribution and without implying NASA endorsement. NASA insignia and identifiers, third-party material, identifiable-person rights, and commercial, promotional, merchandise, or other protected-rights uses may require separate clearance; verify before such use. · Source
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Identity

Aliases
RM-91Journeyman BBlue Scout Junior XRM-91
Family Name
Blue Scout Junior
Full Name
XRM-91 Blue Scout Junior
Status
retired
Type
rocket
Variant Name
XRM-91

Details

Description
XRM-91 was the original four-stage Blue Scout Junior configuration. It combined Castor, Antares, Alcor, and Cetus solid motors, relied on fins and spin motors rather than active guidance, and flew four high-altitude research tests from 1960 through 1961.
Dimensions
Diameter M
0.79
Height M
12.34
First Flight Year
1,960
Last Flight Year
1,961
Operator
Parent Vehicle Family
Rocket Specs
Liftoff Mass Kg
6,300
Reusability
expendable
Stages Count
4

Links

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Creation Time
July 18, 2026 at 03:33:32 UTC
Updated Time
July 19, 2026 at 09:55:12 UTC

Other

Search Name
XRM-91 Blue Scout Junior RM-91 Journeyman B Blue Scout Junior XRM-91