G L Vandenburg: 3 books

The Ajax XX was the first American space craft to make a successful landing on the moon. She had orbited the Earth's natural satellite for a day and a half before making history. The reason for orbiting was important. The Russians had been boasting for a number of years that they would be first. Captain Junius Robb, U. S. A. F. , had orders to investigate before and after landing.