Jan. 31, 1977: A horse and rider watch as the space shuttle Enterprise is towed from Rockwell International’s facility in Palmdale to Edwards Air Force Base for a year of flight tests. Photo: Art Rogers / Los Angeles Times

Jan. 31, 1977: A horse and rider watch as the space shuttle Enterprise is towed from Rockwell International’s facility in Palmdale to Edwards Air Force Base for a year of flight tests. Photo: Art Rogers / Los Angeles Times