| Graph based distributed control of non-holonomic vehicles endowed with local positioning information engaged in escorting missio Recent countries visiting this post |  |
 | 8 | |
 | 4 | United States |
 | 1 | China |
| Graph based distributed control of non-holonomic vehicles endowed with local positioning information engaged in escorting missio Recent countries visiting this post | |
| 8 | |
| 4 | United States |
| 1 | China |