| Language Systems, Inc.: description of the DBG system as used for MUC-4 Recent countries visiting this post |  |
 | 6 | United States |
 | 1 | |
 | 1 | Russian Federation |
| Language Systems, Inc.: description of the DBG system as used for MUC-4 Recent countries visiting this post | |
| 6 | United States |
| 1 | |
| 1 | Russian Federation |