The national aerospace plane : cost considerations for the follow-on vehicle/
Harris, Elwyn D., 1933- ,
The national aerospace plane : cost considerations for the follow-on vehicle/ Elwyn D. Harris. - 12 pages : illustrations ; 28 cm.
Hypersonic planes--Economic aspects.
Aerospace planes--United States.
The national aerospace plane : cost considerations for the follow-on vehicle/ Elwyn D. Harris. - 12 pages : illustrations ; 28 cm.
Hypersonic planes--Economic aspects.
Aerospace planes--United States.
