4. Lockheed Martin F-35 Lightning II – USA
The Lockheed F-35 Lightning II is a fifth-generation fighter development of the United States that incorporates new and learned stealth technology and practices with advanced computer processing and system through a budget-friendly modular approach. This fifth generation fighter aircraft is under development to perform ground attack, reconnaissance, and air defense missions with stealth capability. The F-35 has three main models; the F-35A is a conventional takeoff and landing variant, the F-35B is a short take-off and vertical-landing variant, and the F-35C is a carrier-based variant.