Found and Explained Official on MSN

The VTOL plane that was easier than a jet - Bell X-22

Bell and Lockheed built the X-22A around four tilting ducted fans, aiming for a compact transport that could lift off ...
Found and Explained Official on MSN

Lockheed’s Mach 2.2 VTOL fighter - CL-346

In 1956, the US Air Force asked Lockheed to design a VTOL jet that could climb, intercept bombers, and deliver a 1,000 lb ...
However, significant hurdles must be overcome to enable potential customers to identify and deploy the most appropriate ...
This year the Air Force will completion evaluations of two rival unmanned jets for Increment 1 of its Collaborative Combat Aircraft (CCA) program—and award th ...