Stand-in Attack Weapon
| Stand-in Attack Weapon (SiAW) | |
|---|---|
| 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 | 
| Manufacturer | Northrop Grumman | 
| Developed from | AGM-88G AARGM-ER | 
| Produced | Since 2024 | 
| Variants | |
| Specifications | |
| Steering system | Tail controlled missile | 
| Launch platform | |
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.
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.