Welcome to the Kids' Library!

Hypersonics before the shuttle : a concise history of the X-15 research airplane

Jenkins, Dennis R.
Washington, D.C. : National Aeronautics and Space Administration, NASA Office of Policy and Plans, NASA History Office, NASA Headquarters : For sale by the U.S. G.P.O., Supt. of Docs., [2000] 2000

Hypersonics before the shuttle : a concise history of the X-15 research airplane

Jenkins, Dennis R.
Washington, D.C. : National Aeronautics and Space Administration, NASA Office of Policy and Plans, NASA History Office, NASA Headquarters : For sale by the U.S. G.P.O., Supt. of Docs., [2000] 2000