GE had a successful Mach 2.2 captive flight of solid fuel ramjet on F-104 which demonstrated throttleable thrust for evasive, long-range munitions. GE tested atmospheric test of launched airbreathing system (ATLAS) Flight Test Vehicle which marking a

On October 5, 2025, the Wall Street Journal reportes that xAI is committing over $18 billion to acquire approximately 300,000 additional NVIDIA GPUs, bringing the total for Colossus 2 to around 550,000 chips. This aligns with broader announcements