Operations and Checkout Building
| Operations and Checkout Building | |
| Aerial view of the Operations and Checkout building at KSC, c. 2017 | |
| Location | Brevard County, Florida, USA | 
|---|---|
| Nearest city | Titusville, Florida | 
| Coordinates | 28°31′26″N 80°38′46″W / 28.52389°N 80.64611°W | 
| Built | 1964 | 
| Architect | Charles Luckman | 
| Architectural style | International | 
| Visitation | Open, requires sponsorship by NASA employee | 
| MPS | John F. Kennedy Space Center MPS | 
| NRHP reference No. | 99001636 | 
| Added to NRHP | January 21, 2000 | 
The Neil Armstrong Operations and Checkout Building (O&C) (previously known as the Manned Spacecraft Operations Building) is a historic building on Merritt Island, Florida, United States. The five-story structure is in the Industrial Area of NASA's Kennedy Space Center. Its has twin-block facilities that include the crew quarter dormitories for astronauts, suit-up preparations prior to their flights, and the other is a large spacecraft workshop used for manufacturing and checking activities on crewed spacecraft. On January 21, 2000, it was added to the U.S. National Register of Historic Places.