 Planners believed the SEALs could get to Abbottabad and back without being challenged by the Pakistani military. The helicopters to be used in the raid had been designed to be quiet and to have low radar visibility. Since the U.S. had helped equip and train the Pakistanis, their defensive capabilities were known. The U.S. had supplied F-16 Fighting Falcons to Pakistan on the condition they were kept at a Pakistani military base under 24-hour U.S. surveillance.
