Huntington Ingalls Industries (HII) said it acquired Alion Science and Technology, a technology-driven solutions provider located in McLean, Virginia, from Veritas Capital.
In July, the company said it agreed to buy Alion for $1.65 billion.
Alion provides advanced engineering and R&D services in the areas of ISR, military training and simulation, cyber and data analytics and other next-generation technology based solutions to the global defense marketplace. Alion has more than 3,200 employees with over 80% of employees maintaining security clearances.