After figuring out who their allies and enemies are, the team re-equips, makes plans, and spends a few weeks making it slowly towards northern Virginia. Modified weaponry, semi advanced electronics, communications, and explosives were made, and the basics of the plan were hammered out.
Walk in through the garage entrance with disguises and faked credentials. Get the girl, and the agent, and then, with different disguises, walk out the basement garage again, blowing up anything on their way out.
Through the process of gathering materials and gear. Jack Blackburn aka Harold Woods learns that his family has been targeted and members killed to get at him.