A jet bridge (also termed jetway, loading  bridge, aerobridge/airbridge, air jetty,  portal, passenger walkway or passenger boarding  bridge) is an enclosed, allowing passe … ngers to board and  disembark without having to go outside.he reason is simple: Historically, in aerial engagements between two fighter aircraft, the goal was to get to behind the tail of the enemy aircraft, allowing cannon fire to … easily hit the target. They are called dogfights because of their resemblance to two dogs playing, trying to catch each other's tails.