The Scout X-2B was an American expendable launch system which was flown during 1963. It was a four-stage rocket, based on the earlier

Scout X-2 Scout X-2 was an American expendable launch system and sounding rocket which was flown twice in 1962. It was a four-stage rocket, based on the earlier Scout X-1, uprated first and third stages. It was a member of the Scout family of rockets. T ...

, but with an

Altair 2A Altair is the brightest star in the constellation of Aquila and the twelfth-brightest star in the night sky. It has the Bayer designation Alpha Aquilae, which is Latinised from α Aquilae and abbreviated Alpha Aql ...

fourth stage in place of the

Altair 1A Altair is the brightest star in the constellation of Aquila and the twelfth-brightest star in the night sky. It has the Bayer designation Alpha Aquilae, which is Latinised from α Aquilae and abbreviated Alpha Aql ...

used on the X-2. It was a member of the Scout family of rockets. The Scout X-2 was an all-solid rocket, with an Algol 1D first stagea Castor 1A second stage, an

Antares 2A Antares is the brightest star in the constellation of Scorpius. It has the Bayer designation α Scorpii, which is Latinised to Alpha Scorpii. Often referred to as "the heart of the scorpion", Antares is flanked by σ Scorpii and τ ...

third stage, and an Altair 2A fourth stage. It made only one flight, which was launched from Launch Complex D at

Point Arguello Point Arguello ( Spanish: ''Punta Argüello'') is a headland on the Gaviota Coast, in Santa Barbara County, California, near the city of Lompoc. The area was first used by the United States Navy in 1959 for the launch of military and soundin ...

, carrying a P-35 weather satellites, P35-5. The launch occurred on 27 September 1963, and failed to achieve orbit.

References

* * * * 1963 in spaceflight X-2B {{rocket-stub