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The CH-53 Sea Stallion helicopter uses the IBIS system with radioactive Strontium-90 to detect cracks in rotor blades, providing a simple mechanical solution that remains in use today.
DARPA's Lift Challenge concluded with Avidrone winning using a conventional helicopter that achieved a 3.84:1 payload-to-weight ratio, falling short of the 4:1 target so all prizes were halved.
NASA JPL demonstrates a new flexible ground-penetrating radar antenna called SkyFall, designed to hunt for frozen water beneath the Martian surface for future astronauts.
A cheap Iranian Shahed drone ($35k) downed a US Army AH-64 Apache helicopter ($25 million) near the Strait of Hormuz, possibly by accident, highlighting asymmetric warfare capabilities.
Starlink is providing reliable internet connectivity to a helicopter business in Chile's remote southern mountains for critical missions.
A $6 3D-printable knob has grounded Black Hawk helicopters for 20 years because the contractor refuses to sell the part or IP, costing taxpayers $40,000 per replacement four times a month. This highlights the need for right to repair in the NDAA.
A user conducted a stress test using GPT-5.5-Pro and ForgeCAD to generate a helicopter model, highlighting current limitations in surface development and model capabilities.