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USAF radar

The US Air Force (USAF) has replaced one of its AN/TPS-75 long-range radar systems at Kandahar Airfield, Afghanistan, with a refurbished antenna in a bid to upgrade its air control capabilities across the country.

Performed by the air men from the 73rd Expeditionary Air Control Squadron (EACS), the replacement follows months of planning and coordination across the air force and the Department of Defense (DoD).

451st Air Expeditionary Group Commander US Air Force colonel Scott Campbell said: "The new system is an incredible asset that ensures we will keep providing the 240,000 square mile air picture needed for hundreds of combat sorties a day."

Also called Double Dagger, the 73rd EACS maintains the theatre’s only long-range military radar site, which comprises two 9,000lb antennas within 38ft radomes sitting atop 55ft towers.

Originally designated the TPS-43E2, the Northrop Grumman AN/TPS-75 mobile tactical three-dimensional air search radar system provides radar azimuth, range, height, and identification friend or foe (IFF) information for a 240nm area.

"The 73rd EACS maintains the theatre’s only long-range military radar site."

Capable of operating independent of adverse weather and jamming environments, the combat-proven radar provides a "real-time" radar airspace picture and data in support of the joint forces air component commander (JFACC), which is relayed to the AN/TYQ-23 operations module (OM) for processing and action.

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The radar, which can be deployed stand-alone, remotely controlled, and as part of a network, is the primary transportable aerospace control and warning (AC&W) radar used by USAF, and is scheduled to be replaced by the new 3D expeditionary long-range radar (3DELRR) in future.

Image: A crane removes the 73rd Expeditionary Air Control Squadron’s 5000lb radome from its tower to replace the AN/TPS-75 radar system. Photo: courtesy of Bagram Air Field.

Defence Technology