A cartoon of a survey ship approaching a radio acoustic ranging (RAR) radio sono-buoy. The radio sono-buoy technology was adopted by the Navy for World War II anti-submarine warfare and has continued evolving in increasingly sophisticated incarnations.
| 545 x 640 | 57.56 KB | |
| 1089 x 1280 | 228.84 KB | |
| 1670 x 1964 | 684.96 KB |
| Added On | 16th October 2015 |
| Viewed | 36 viewed |
