| MODIFICATION | DESCRIPTION |
| Award | Award |
| Modification 1 | Incremental Funding |
| Modification 2 | Administrative correction to mod 1 |
| Modification 3 | Adding program official |
| Modification 4 | Incremental Funding |
| Modification 5 | Change Contracting Officer from Ed Bauser to Johnsell Christian |
| Modification 6 | Incremental Funding |
| Modification 7 | Incremental Funding |
| Modification 8 | Incremental Funding |
| Modification 9 | Incremental Funding |