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White Sands in Doρa Ana County, New Mexico — The American Mountains (Southwest)
 

HIBEX

 
 
HIBEX Marker image. Click for full size.
Photographed by James Hulse, July 23, 2024
1. HIBEX Marker
Inscription. HIBEX (High Impulse Booster Experiment - or High Boost Experiment) was an experimental vehicle to develop high acceleration booster technology and explore the problems of extremely high accelerations. HIBEX was not linked to a specific weapon system, but the long-term objective was development of an anti-ballistic missile, such as the Sprint. HIBEX had a short conical body and was powered by a solid-propellant rocket motor.

Accelerating at 400g, HIBEX achieved Mach 8 velocities within 2 seconds of launch. Then-new laser gyros were used in the guidance and control section, because conventional mechanical ones were too slow for the required reaction time and acceleration. HIBEX was conceived in 1962, shortly after the Nike X program was initiated. Its flight test program began in February 1965 at White Sands Missile Range, and the last of 10 launches occurred in January 1966. The majority of the tests were from underground cells, with HIBEX ignited within the silo. The final HIBEX firing was made above ground.

Length: 16 ft. (4.9 m)
Diameter: 3.6 ft. (1.1m)
Weight: 2600 lb. (1180 kg.
Speed: 8400 feet per second (2560
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meters per second)
 
Erected by White Sands Missile Range Museum. (Marker Number 94.044.)
 
Topics. This historical marker is listed in this topic list: Air & Space. A significant historical month for this entry is January 1966.
 
Location. 32° 23.163′ N, 106° 28.702′ W. Marker is in White Sands, New Mexico, in Doρa Ana County. It is on Wsmr P Rt 1 (New Mexico Route 213) 4 miles south of U.S. 70. The marker and various missiles are located on the grounds of the White Sands Missile Range Museum. Touch for map. Marker is in this post office area: White Sands Missile Range NM 88002, United States of America. Touch for directions.

Regionally, this marker is in the Rio Grande Valley. It is also in the American Southwest. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once New Spain, the Gadsden Purchase, and the Republic of Texas.

Other nearby markers. At least 8 other markers are within walking distance of this marker: Athena (a few steps from this marker); GAR-1 Falcon (a few steps from this marker); US Navy Standard Missile 2 Block II (a few
The HIBEX Missile and Marker image. Click for full size.
Photographed by James Hulse, July 23, 2024
2. The HIBEX Missile and Marker
steps from this marker); Honest John (a few steps from this marker); MK 39 5-inch Gun (a few steps from this marker); Loki-Dart (a few steps from this marker); Pershing (a few steps from this marker); MK 5 Guided Missile Launcher (a few steps from this marker). Touch for a list and map of all markers in White Sands.
 
More about this marker. The marker and museum are located on the White Sands Missile Range, an active U.S. military installation. The museum is open to the public, but appropriate identification is required for access.
 
Also see . . .
1. Welcome to the White Sands Missile Range Museum. White Sands Missile Range Museum (Submitted on July 30, 2024, by James Hulse of Medina, Texas.) 

2. Sprint (missile). Wikipedia
The Sprint was a two-stage, solid-fuel anti-ballistic missile (ABM), armed with a W66 enhanced-radiation thermonuclear warhead used by the United States Army during 1975–76. It was designed to intercept incoming reentry vehicles (RV) after they had descended below an altitude of about 60 kilometres (37 mi), where the thickening air stripped away any decoys or radar reflectors and exposed
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the RV to observation by radar. As the RV would be traveling at about 5 miles per second (8,047 m/s; 26,400 ft/s; Mach 24), Sprint needed to have phenomenal performance to achieve an interception in the few seconds before the RV reached its target.
(Submitted on July 30, 2024, by James Hulse of Medina, Texas.) 
 
 
Credits. This page was last revised on August 1, 2024. It was originally submitted on July 30, 2024, by James Hulse of Medina, Texas. This page has been viewed 567 times since then and 90 times this year. Photos:   1, 2. submitted on July 30, 2024, by James Hulse of Medina, Texas.
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Jul. 10, 2026