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September’s most-read Defense Advancement stories spanned propulsion for autonomous aircraft, resilient navigation, loitering munitions, navigation technology manufacturing, and airborne threat detection and sensor processing.
Across the month’s top five articles, readers followed developments in small-thrust engines, GNSS-denied navigation, investment supporting navigation technology manufacturing, loitering munitions capability development, and airborne sensor integration.
1. U.S. Air Force Advances Honeywell Aerospace SkyShot 1600 Engine
Honeywell Aerospace’s small-thrust-class SkyShot 1600 engine has been selected by the U.S. Air Force to advance into Preliminary Design Review under the service’s Autonomous Collaborative Platform program. Read more >>
2. Pre-Series B Funding Supports Manufacturing & Global Growth
Aeron Systems has recently successfully closed its Pre-Series B funding round with investment from Riverwalk Holdings and MGF-Kavachh (MountTech Growth Fund).
3. Loitering Munitions Conference 2026: The Standout Speakers & Sessions to Watch
With the full agenda for the Loitering Munitions Conference 2026 now confirmed, attention is turning to the speakers and sessions set to shape the three-day summit when it returns to London from 17–19 November, bringing together the international loitering munitions community following sold-out previous editions and amid rapid developments in precision strike.
4. Upgraded Visual Navigation System Bounds UAV Positioning Drift
UAV Navigation–Grupo Oesía has released a major software update for its VNS01 Visual Navigation System, integrating advanced algorithms that constrain positioning errors to approximately 30 meters during extended GNSS outages.
5. Contract Secured for Threat Detection Processing & Airborne Sensor Integration
Northrop Grumman has awarded Curtiss-Wright an approximately $14 million contract to supply sensor processing equipment supporting Phase II development of the U.S. Army’s Improved Threat Detection System (ITDS).
