The Old Naval Observatory Building is a National Historic Landmark registered under the Historic Sites Act of August 21, 1935
| Uploaded by | Navy Medicine |
|---|---|
| License | Public Domain Mark |
| Comments | 0 |
| Favorites | 0 |
| Views | 133 |
| Date uploaded | 2022-10-20 |
| Tags | architecture, observatory, space, mars, bumed |
| Visibility | public |