An eye-opening glimpse at the links between two congressional committees and more than 100 defense contractors, consultants, and lobbyists.

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The interactive display below illustrates one piece of the defense revolving door as it has evolved over the last decade. During that time, former congressional officials have strolled through the door and wound up working not just at the largest defense contractors (often called “primes”) but also for a new class of high-technology firms—often involved in artificial intelligence and headquartered in Silicon Valley—that has aggressively expanded its Pentagon contracting efforts. And to be clear, the door leads in both directions; private sector bigwigs sometimes move into influential government positions that could affect the fortunes of their companies.