In our hitech world of today, where military sats in their geo stationary orbits around the planet and sophisticated radar heads covering every avaiable square foot of terrain can spot even a mozzie on the loose, with the seas patrolled with nuke subs and sewn with sonoboys that can hear a flatus of a mariner at a distance of 50 miles, how can it be possible for your every day , run of the mill variety type airliner to go into stealth mode for so long. That is what puzzles me most.