'Surveyor 3' was the third lander of the Surveyor program that explored the Moon.

The successful completion of this mission satisfied the Surveyor program's obligation to the Apollo project.

Surveyor 3 was the third lander of the American unmanned Surveyor program sent to explore the surface of the Moon.

Surveyor 4 was the fourth lunar lander in the American unmanned Surveyor program sent to explore the surface of the Moon.

In this role he oversaw the work done on the early Mariner spacecraft and the Surveyor program.

Surveyor program - US Lunar soft-landing probe (1966-1968).

The total cost of the Surveyor program was officially $469 million.

The Surveyor program proved that landings were possible.

Surveyor 7 was the final spacecraft in the Surveyor program.

Surveyor 2 was to be the second lunar lander in the unmanned American Surveyor program to explore the Moon.