| Subsidiaries of Registrant | Jurisdiction of Incorporation or Organization | ||||||||||
| SAIC International Holdings, Inc. | Delaware | ||||||||||
TASC Services Corporation | Delaware | ||||||||||
ATAC Services, LLC | Delaware | ||||||||||
| SAIC Gemini Huntsville, LLC | Delaware | ||||||||||
| Odyssey Drive I, Ltd. | California | ||||||||||
| Valinar, LLC | Delaware | ||||||||||
| Halfaker and Associates, LLC | Virginia | ||||||||||
Koverse, Inc. | Delaware | ||||||||||