Hermes A-1

The Marshall Rocket Garden hosts a Hermes A-1 experimental anti-aircraft missile.

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According to a 2004 HABS/HAER historical assessment of the Rocket Garden:

The Hermes displayed in Rocket Garden is a Hermes A-1. Fabricated in 1946, the Hermes A-1 was a liquid-fueled, rocket-powered surface-to-air missile based on the World War II German Wasserfall. The Hermes A-1 was 25.5 feet long, with a finspan of 8 feet, 2 inches. This version of the rocket had a diameter of 34 inches and a take-off weight of 6,675 pounds. The Hermes A-1 featured a speed of 1,800 miles per hour, and had a ceiling of 15 miles with a range of 40 miles.

NASA equipment records give a manufacturing date for the rocket of 1946. It is undetermined if the Hermes in Rocket Park [sic] is a "shell" of the Hermes A-1, or if the rocket contains its historic internal working parts. Photographs verify that the Hermes was part of Rocket Garden by July 1963.