Virgo II dish

 is a quest item in Fallout 3.

Background
The Virgo II Dish is the communications relay dish from the Virgo II Lunar Lander. It can be retrieved from the Lander Replica located in Washington's Museum of Technology. West Wing, on the Lunar Lander.

Galaxy News Radio
The Virgo II Dish is installed at the top of the Washington Monument to help improve the signal strength of the Galaxy News Radio (radio) broadcast, during this quest.