Buzz Aldrin that he thought Aldrin "resents not being first on the moon more than he appreciates being second." Aldrin and Armstrong did not have time to perform much geological training. The first lunar landing focused more on landing on the Moon and making it safely back to Earth than the scientific aspects of the mission. The duo were briefed by NASA and USGS geologists. They made one geological training expedition to west Texas. The press followed them, and a helicopter made it hard for Aldrin and Armstrong to hear their instructor. An estimated one million spectators watched the launch of Apollo
Buzz Aldrin classroom work, and soon decided to pursue a doctorate instead. In January 1963, he earned a Sc.D. degree in astronautics. His doctoral thesis was "Line-of-Sight Guidance Techniques for Manned Orbital Rendezvous", the dedication of which read, "In the hopes that this work may in some way contribute to their exploration of space, this is dedicated to the crew members of this country's present and future manned space programs. If only I could join them in their exciting endeavors!" Aldrin chose his doctoral thesis in the hope that it would help him be selected as an astronaut, although it meant foregoing