With its elliptical wings, powerful Rolls-Royce Merlin engine, and advanced aerodynamics, it was built to outmaneuver and outfight its enemies in the sky. This video explores the groundbreaking ...

In the near term, an enhancement to the stealth fighter’s Pratt & Whitney F135 engine is expected to enable a suite of upgrades known as Block 4. Beyond Block 4, a new cooling system will be ...

Up to 10% increased fuel economy over other gas engines. Oil-drain intervals of 15,000 miles. Fuel-tank options of 45 to 80 gallons. Cummins says the engine has undergone 2 million miles of testing.