• Impulse Space outlined LEO Express 4 as an R&D mission to validate upgraded Mira spacecraft systems in low Earth orbit.
• Flight plan targets full checkout of higher delta-v propulsion, including rapid, closely spaced thruster firings across multiple maneuvers.
• Mission also tests avionics upgrades to build on-orbit performance data ahead of future customer launches.

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. Impulse Space Propulsion Inc. published the original content used to generate this news brief on September 10, 2026, and is solely responsible for the information contained therein.