Blue Scout II
Blue Scout familyVoughtRetired
The RM-90 Blue Scout II was an American sounding rocket and expendable launch system which was flown three times during 1961. It was used for two HETS test flights, and the launch of the Mercury-Scout 1 satellite for NASA. It was a member of the Scout family of rockets.

Specifications
- Thrust
- 471 kN
- Height
- 24 m
- Diameter
- 1.02 m
- Launch mass
- 16 t
- Stages
- 4
- LEO capacity
- 30 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
1flightwith a definitive outcome
0%success rate0 of 1
1failureincluding partial failures
0success streakcurrent
First flight November 1, 1961
Counted from padside's own launch record, the same basis as the stats page.