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U.S. Air Force air-to-surface missile From Wikipedia, the free encyclopedia
The Stand-in Attack Weapon (SiAW) is a tactical air-to-surface missile under development for the United States Air Force (USAF) by Northrop Grumman.
| Stand-in Attack Weapon (SiAW) | |
|---|---|
.jpg) A SiAW missile being tested by a United States Air Force F-16 | |
| Type | Air-to-surface missile, aimed at targeting anti-access / area denial (A2 / AD) weapons |
| Place of origin | United States |
| Service history | |
| In service | Planned for 2026 |
| Used by | To be used by the United States Air Force |
| Production history | |
| Designer | Northrop Grumman |
| Designed | Since May 2022[1] |
| Manufacturer | Northrop Grumman |
| Developed from | AGM-88G AARGM-ER |
| Produced | Since 2024 |
| Variants | [2] |
| Specifications | |
Steering system | Tail controlled missile |
Launch platform | |
It is primarily designed to attack air-defences and high-value targets such as command-and-control sites, surface-to-surface missile launchers, anti-satellite systems, and GPS jamming systems.[1]
In May 2022, the USAF awarded contracts to L3Harris Technologies, Lockheed Martin and Northrop Grumman to begin the first phase of development for the Stand-in Attack Weapon (SiAW).[3] On 28 September 2023, the USAF awarded a US$705m contract to Northrop Grumman to develop and test the SiAW. The SiAW is intended to attack relocatable targets including theater ballistic missile launchers, cruise and anti-ship missile launchers, GPS jamming platforms and anti-satellite systems. It will have a shorter range than standoff weapons, being fired by an aircraft after penetrating enemy airspace. The SiAW will fit inside the F-35 Lightning II's internal weapon bays. The design leverages work on the United States Navy's AGM-88G Advanced Anti-Radiation Guided Missile - Extended Range (AARGM-ER). The USAF plans to have an operational weapon by 2026.[4][5]
In November 2024, Northrop Grumman delivered the first SiAW to the USAF for flight testing.[6][7]
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