William Thornton - STS-8, STS-51B [Signed with a pen that was aboard Skylab from July 28, 1973 to Sept. 25, 1973 - over 24.5 million miles in space during 585 orbits of the Earth. Pen: NASA Part #: P/N SEB12100051-208, Serial #: S/N 1278.]
[Signed with a pen that was aboard Skylab from July 28, 1973 to Sept. 25, 1973 - over 24.5 million miles in space during 585 orbits of the Earth. Pen: NASA Part #: P/N SEB12100051-208, Serial #: S/N 1278.]
