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Nellis Air Force Base in Clark County, Nevada — The American Mountains (Southwest)
 

Long Track

Early Warning Radar System

 
 
Long Track Marker image. Click for full size.
Photographed by Craig Baker, September 10, 2025
1. Long Track Marker
Inscription.
The Long Track (P-40) is a high-mobility, S-band (2-4 GHz) early warning radar designed to detect and track aerial targets at long range, providing critical information to tactical anti-aircraft forces.

Origin: Russia
IOC: 1963
IADS Role: Air Surveillance

Pioneer of Mobility
First highly mobile radar designed for the newly formed tactical anti-aircraft units, providing a significant leap in battlefield awareness and flexibility.

3-D Target Acquisition
Utilizes a truncated parabolic antenna with a stacked antenna feed, to determine the range, altitude, and azimuth of aerial targets.

Powerful Engine
Mounted on a modified AT-T artillery tractor, boasting a robust 465-hp diesel engine, enabling it to keep pace with maneuvering forces and traverse challenging terrain.

Key Role in Soviet Air Defense
Integrated with the SA-6 & SA-8 missile systems, providing long-range early warning and target acquisition for Soviet air defense.

Widely Employed
Saw widespread service within the Soviet Union and was
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also exported to several countries, including Estonia, Kurdistan, Kyrgyzstan, Turkmenistan, and Uzbekistan.


Long Track
Max Detection Range: 321 NM.
Max Detection Alt: 98k ft.
Track 8 simultaneous targets.
360-degree coverage.
200NM display range.

Open-Frame Antenna
A distinctive open-frame truncated parabolic antenna, designed for efficient transportation & rapid deployment.

Stacked Antenna Feed
Enables the radar to determine the target's elevation angle, providing crucial information for target identification & engagement.

Mechanical Scanning
Enables azimuth determination, rotating the antenna to sweep the airspace and detect targets.

AT-T Tracked Chassis
Modified AT-T artillery tractor, a robust tracked vehicle renowned for its off-road capabilities.

All information is unclassified.
Scan QR code for more information and sources.
 
Erected by U.S. Air Force.
 
Topics. This historical marker is listed in these topic lists: MilitaryRoads & Vehicles. A significant historical year for this entry is 1963.
 
Location. 36° 13.399′ N,
Long Track and Marker image. Click for full size.
Photographed by Craig Baker, September 10, 2025
2. Long Track and Marker
115° 3.577′ W. Marker is in Nellis Air Force Base, Nevada, in Clark County. It is on Kinley Drive south of Tyndall Avenue, on the right when traveling south. Located at the Nellis Petting Zoo, not open to the public. Only open to visitors with military base access. Touch for map. Marker is at or near this postal address: 3663 Tyndall Ave, Nellis AFB NV 89191, United States of America. Touch for directions.

Regionally, this marker is in the Mojave Desert and in Greater Las Vegas. It is also in the American Southwest and in the Mountain West. 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 and also Mexico’s Alta California.

Other nearby markers. At least 8 other markers are within walking distance of this marker: Mi-24 Hind (within shouting distance of this marker); Su-7 Fitter (within shouting distance of this marker); MiG-29C Fulcrum (within shouting distance of this marker); SA-8 Gecko (within shouting distance of this marker); A-10 (approx. Ό mile away); F-4C Phantom (approx.
Long Track image. Click for full size.
Photographed by Craig Baker, September 10, 2025
3. Long Track
Ό mile away); F-117A (approx. Ό mile away); F-100D Super Sabre (approx. 0.3 miles away). Touch for a list and map of all markers in Nellis Air Force Base.
 
Also see . . .  P-40 (Long Track). This link is shown on the marker as a QR code. (Submitted on October 19, 2025.) 
 
 
Credits. This page was last revised on October 19, 2025. It was originally submitted on October 19, 2025, by Craig Baker of Sylmar, California. This page has been viewed 53 times since then and 23 times this year. Photos:   1, 2, 3. submitted on October 19, 2025, by Craig Baker of Sylmar, California.
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Aug. 6, 2026