AUSA 2023: US Army Sentinel A4 air defence radar enters low-rate production
The Sentinel A4 air defence radar has been designed to detect rockets, artillery and mortars. (Photo: Lockheed Martin)
The US Army has approved the Sentinel A4 air and missile defence radar for low-rate production (LRIP) for a total of 19 LRIP radars, after it passed validation and verification tests. Lockheed Martin, the supplier of the system, has announced the milestone at the AUSA 2023 exhibition in Washington DC.
The Sentinel A4 program is a modification programme to the army’s Sentinel A3 radar and will aim to improve the service’s ability to track a variety of threats including fixed and rotary wings, UAVs and cruise missiles.
Built with an open architecture, the A4 is designed to detect rockets, artillery
Already have an account? Log in
Want to keep reading this article?
More from Land Warfare
-
World Defense Show 2026: Russia reveals details of new loitering munition
The Kalashnikov RUS-PE cannister-launched man-portable loitering munition was displayed as a model at World Defense Show 2026 with a company official telling Shephard it was “in service and in low-rate initial production”.
-
World Defense Show 2026: Middle East remains focused on US equipment and local industry involvement
Vehicle procurement in the Middle East continues to target big-ticket main battle tanks, with lighter platform purchases also potentially on the horizon including tactical, infantry fighting and armoured personnel carrier vehicles.
-
World Defense Show 2026: ST Engineering seeks edge in crowded 6x6 market
Positioned between light 4x4s and heavier 8x8 platforms, the new vehicle, Vantrex, aims to combine high payload capacity with IFV-level firepower in an increasingly competitive segment.
-
World Defense Show 2026: Rostec unveils new infantry fighting vehicle
The latest infantry fighting vehicle from Rosoboronexport draws on experience from the war in Ukraine, and is designed to be more lethal and more survivable than its predecessors.