A French submarine is heading to the area to help locate the plane's black boxes, which may be at the bottom of the ocean.
Information from "black boxes" and other sources could help prevent future accidents.
A Brazilian navy ship picked up a backpack, briefcase, and Air France flight 447 boarding pass.
A Christian Science perspective.
100 m.p.h. winds, hail, and rain might have brought Flight 447 down, says a former Air Force meteorologist.
Helicopters can't get to debris field. Brazilian navy ships won't arrive until Wednesday morning.
An orange buoy, an aircraft seat, and oil sighted near to Flight 447's last reported position.
Air France reports a possible lightning strike. Airbus 330-200 has a good safety record.