Convair XF-92 // USAF - NASA (signed) Space and Rockets In late 1977 the USAF

In late 1977 the USAF selected the DC-10 to meet its Advance Tanker/Cargo Aircraft requirement

known originally as the Fieseler Fi 103

and a larger load capability due to increased wing area

The P-38 Lightning

Convair XF-92 // USAF - NASA (signed) Space and Rockets In late 1977 the USAFThis airplane was the world's first jet aircraft to fly using the radical delta wing configuration pioneered by Germany's Dr. Alexander Lippisch during the 1930s. The Convair Model 7002 was completed in 1948 as a flying mock up for the proposed delta wing XP 92 interceptor. (In 1948 the Air Force changed the designation from P for pursuit to F for fighter). The XP 92 was to be powered with a new propulsion system that would consist of a ramjet engine