1.   A bridge-inspection program was put in place as a means of identifying navigational hazards of the sort posed by the old span over Big Bayou Canot.

2.   Cynthia Munk, a spokeswoman for the agency, said the ship was not only in danger of capsizing but was becoming a navigational hazard to canal traffic.

3.   Then the commanding officer decided the carcass was a navigational hazard and ordered Seaman to blow it up with dynamite.

4.   He said new charting will include locations of sunken ships and other navigational hazards.

5.   It poses a navigational hazard in space, Norwegian space expert Erik Tandberg said.