<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by A Flygirl: ...The skin of an airliner is as vulnerable as that of the human body and a decompression in the cabin would be the immediate result. Don't go there.</font>
http://209.67.29.11/usatonline/20010927/3487630s.htm
"The agents fly incognito, armed and ready to act if a hijacker tries to take over a flight. They use special ammunition that is lethal but designed to shatter when it hits metal to prevent damage to the aircraft. Because they must work in a confined space, the agents adhere to some of the most rigorous marksmanship requirements of any federal agency, Donovan says."