• Northrop Grumman signed a memorandum of agreement with Hanwha Aerospace to begin initial collaboration on Advanced Reactive Strike (AReS).
• Collaboration targets development of a first-stage solid rocket booster for AReS.
• AReS is a deployable, surface-launched extended-range weapon system designed for stand-off strikes in contested environments.
• Agreement was signed at Sea-Air-Space 2026 on April 21, 2026.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Northrop Grumman Corporation published the original content used to generate this news brief on April 21, 2026, and is solely responsible for the information contained therein.