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Propulsion Systems

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SR-71 Was Cleared to Exceed Mach 3.4 During Libya Bomb-Damage Runs

A new account says crews flew under a higher engine inlet temperature limit.

L3Harris to Invest $1.27 Billion to Expand Virginia Rocket‑Motor Production

HopFlyt Bets on Pivoting Channel-Wing eVTOL to Push Hybrid VTOL Range

Pentagon Finalizes $6.6 Billion F-35 Engine Deal Covering Lots 18–19

North Korea Unveils Ground Test of Higher-Thrust Solid-Fuel Missile Engine

China Simulates 200-Meter Underwater Ignition for Solid Rocket Motor

AFRL and Ursa Major Fly Storable Liquid Engine, Advancing Push for Lower-Cost Hypersonic Missiles

ISRO Hot-Fires CE20 Cryogenic Engine at 22-Tonne Thrust in Sea-Level Test

Rolls-Royce F130 Completes AEDC Altitude and Operability Tests for B-52J Program

NASA Postpones Artemis II, Plans Rollback After Helium Anomaly

SR-71 Blackbird’s Records Endure as New Coverage Details the Physics of Mach 3 Flight

United Orders 300 GE GEnx Engines for New Boeing 787s

NASA and GE Demonstrate Battery-Free Hybrid Turbofan That Exceeds NASA Benchmarks

IIT Madras Unveils Ramjet Artillery Shells That Lift 155 mm Gun Range by Nearly 50%

India Runs Full-Scale Actively Cooled Scramjet for 12 Minutes in DRDO Ground Test

Navy Awards $1.4 Billion Multiyear Deal to GE for CH-53K Engines

Northrop Grumman Wins $94.3 Million Navy Deal to Develop 21-Inch Rocket Motor

L3Harris Sells 60% of Space Propulsion Unit to AE Industrial in $845 Million Deal

Russia Starts Su-57 Flight Tests With New Izdeliye 177 Engine

UAC Expands Su-57 Production as Fighter Flies With New ‘Izdeliye 177’ Engine