X-lumin Achieves Roundtrip Optical Transmission to LEO Satellite Using 15cm Portable Terminal.

The article focuses on recent advancements and product launches in satellite communications and space technology. SpinLaunch introduced Meridian Defense, a Low Earth Orbit (LEO) satellite constellation with integrated inter-satellite links (ISL) designed to provide governments with secure, resilient, and sovereign communications infrastructure, emphasizing control and operational flexibility in contested environments. X-lumin demonstrated a breakthrough roundtrip optical transmission using a compact 15cm Optical Ground Terminal (OGT), enabling portable, low-power, high-capacity laser communications compatible with government and commercial standards. Additionally, Momentus Inc. successfully deployed its Vigoride 7 Orbital Service Vehicle on a SpaceX mission, marking a key step in testing next-generation in-space satellite capabilities.