McDonnell Douglas F-15 STOL/MTD
The McDonnell Douglas F-15 STOL/MTD (Short Takeoff and Landing/Maneuver Technology Demonstrator) is a modified F-15 Eagle. Developed as a technology demonstrator, the F-15 STOL/MTD carried out research for studying the effects of thrust vectoring and enhanced maneuverability.
Source: Wikipedia — McDonnell Douglas F-15 STOL/MTD (CC BY-SA 4.0)