Northrop Grumman has delivered the Stand-in Attack Weapon (SiAW) test missile to the U.S. Air Force, marking a critical step in the program’s development and testing phase, according to a company announcement.
The SiAW is an advanced air-to-ground weapon designed to strike rapidly relocatable targets within enemy anti-access/area denial (A2/AD) environments.
Its delivery signals the start of the weapon’s flight test program, which will validate the missile’s compatibility with launch aircraft and its safe separation during flight.
In September 2023, the U.S. Air Force awarded Northrop Grumman the SiAW contract. Since then, the company has focused on weapon development, platform integration, and preparations for the test program. The SiAW is slated for rapid prototyping and fielding by 2026.
Northrop Grumman highlighted the importance of the SiAW in addressing evolving battlefield challenges and ensuring mission readiness for the U.S. Air Force.
The Stand-In Attack Weapon (SiAW) Missile
Accorrding to Northrop, the U.S. Air Force’s SiAW missile system enables disruption of an Anti-Access/Area Denial (A2/AD) environment through rapid, lethal engagement of relocatable targets.
Northrop Grumman’s SiAW solution can be integrated on a variety of aircraft and leverages lessons learned on the Navy’s AARGM-ER and integration work on the F-35 aircraft.
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