Arthur D. Little reflects on key role it played in Apollo 11 Mission | Arthur D. Little
Laser ranging retro reflector. Apollo 11 mission, first landing on the moon, july 1969, Stock Photo, Picture And Rights Managed Image. Pic. GXC-JMH-A11-100188 | agefotostock
Lunar Laser Ranging experiment - Wikipedia
Laser Ranger Retro-Reflector, Apollo | National Air and Space Museum