The F135 engine is a turbofan engine designed for the F-35 Lightning II stealth fighter jet. Developed by Pratt & Whitney, it provides advanced performance, including thrust vectoring capabilities for enhanced maneuverability. The engine is known for its reliability and efficiency, making it suitable for various combat scenarios. The F135 engine comes in two main variants: the F135-PW-100, which powers conventional takeoff and landing (CTOL) models, and the F135-PW-600, designed for the F-35B variant that requires short takeoff and vertical landing (STOVL) capabilities. This versatility supports the diverse operational needs of the U.S. military and allied forces.