1966  (by x-ray delta one)
X-15 test pilots -

1966  (by x-ray delta one)

X-15 test pilots -

Wally Schirra Special Collection (by San Diego Air & Space Museum Archives)

Wally Schirra Special Collection (by San Diego Air & Space Museum Archives)

1966 … NASA (by x-ray delta one)

1966 … NASA (by x-ray delta one)