“…BDM conducted mathematical analyses of missile trajectories, tracking, telemetry, re-entry heating, guidance and control, and targeting. 21 Other than test equipment, BDM built no hardware--an aspect of its business that would have great repercussions for Tysons Corner later on. From the beginning of the company's work at White Sands, it was involved with studies of ballistic missile defense--another aspect of its business that would have long-term consequences.…”