Gary W. Zwirschitz

Valkyrie Enterprises LLC provides engineering and technical services. It offers systems and in-service engineering, engineering design, training, maintenance planning and assessment services. It serves to the board of inspection and survey, center for surface combat systems, missile defense agency, naval sea systems command, PMS 339 and regional maintenance centers. The company was founded by Gary M. Lisota in June 2007 and is headquartered in Virginia Beach, VA.

HII Fleet Support Group LLC provides logistics, engineering and information technology support services. It also provides life cycle integrated logistics services including technical manual and software development, provisioning documentation, spare parts management, and training development and delivery. The company was founded in 1981 and is headquartered in Virginia Beach, VA.