A long moment of silence filled the cabin of the helicopter as everyone on board held their breath, waiting for the hiss of an approaching anti-aircraft missile or the roar of the Knight Errant helicopter’s chin-mounted chain gun to send them plummeting from the sky. But no attack came. The sleek Knight Errant craft banked off above the corporate park and turned back toward the downtown area of the metroplex, winking its running lights at them. A voice crackled over the radio.