Snoopy became the mascot of Apollo 10.  The command module was named Charlie Brown and the lunar module was named Snoopy. Because the lunar module was set to skim over the surface of the Moon, it was named Snoopy because it was going to “snoop” around Apollo 11’s future landing site. When the lunar module rendezvoused with the command module after surveying the Moon’s surface, astronaut Thomas Stafford said, "Snoopy and Charlie Brown are hugging each other."

The Silver Snoopy is an award presented to those who have made an impact on our numerous space programs and best symbolizes the intent and spirit of Space Flight Awareness. An astronaut always presents the Silver Snoopy because it is the astronauts' own award for outstanding performance, contributing to flight safety and mission success. Fewer than 1 percent of the aerospace program workforce receive it annually, making it a special honor to receive this award.

The award is a sterling silver Snoopy lapel pin that has flown in space, plus a certificate of appreciation and commendation letter for the employee, both signed by the astronaut.