VMFA-121, also known as the "Green Knights," is a United States Marine Corps fighter attack squadron. It is based at Marine Corps Air Station Yuma in Arizona and operates the F/A-18 Hornet aircraft. The squadron is part of the Marine Aircraft Group 13 and plays a crucial role in providing air support for ground forces. Established in 1943, VMFA-121 has a rich history of service, participating in various conflicts and operations. The squadron is known for its commitment to excellence in aviation and its ability to adapt to changing combat environments, ensuring the effectiveness of the U.S. Marine Corps in modern warfare.