General Aviation News, Military Aviation News January 31, 2025 Sikorsky Begins Black Hawk® Ground Runs with U.S. Army T901 Improved Turbine Engines WEST PALM BEACH, Fla., Jan. 29, 2025 – Sikorsky, a Lockheed Martin company (NYSE: LMT), started its first-ever ground runs on a UH-60M Black Hawk®…