X-44 Manta: What the New NGAD Fighter Could Eventually Look Like

The Air Force’s—and NASA’s—motivation behind the X-44 Manta project, starting in 1999, was to test the feasibility of full yaw, pitch and roll authority without tailplanes (horizontal or vertical), with attitude control relying purely on 3D thrust vectoring.

Will the NGAD be more maneuverable than the F22? - Quora

The National Interest: Blog

Future fighter program poses key test for US Air Force's design method

Revived X-44 Manta: A Potent Force in the US Arsenal

Lockheed Martin X-44 MANTA - Wikipedia

Did America's next stealth fighter just get revealed on Instagram?

X-Planes The National Interest

Aviation, Page 5

X-44 Manta: What the New NGAD Fighter Could Eventually Look Like?

Future fighter program poses key test for US Air Force's design method

Finally, the X 44 Manta officially replaces the F 22 Raptor

X-44 Manta: Will US 6th Generation Fighter Jet Look Like This? #shorts

Will the NGAD be more maneuverable than the F22? - Quora