Flight 370 wing flap expected to arrive imminently at French defense site

Members of the French gendarmerie carry a wooden box containing the wing part that was washed up on a beach, as they maneuver it into a van ready to be put onto a flight to France, at the Roland Garros Airport in Sainte-Marie, on the north coast of the Indian Ocean island of Reunion, Friday, July 31, 2015. Investigators prepared to load a sea-encrusted wing fragment onto a plane bound for France on Friday, to undergo further investigations to learn whether the aircraft remnant could help unlock the mystery of missing Malaysia Airlines Flight 370. (AP Photo/Ben Curtis) (The Associated Press)

A white van carrying a wooden box containing the wing part that was washed up on a beach, is filmed by a television cameraman as it receives a vehicle escort by the French gendarmerie while driving to a cargo hangar at the Roland Garros Airport in Sainte-Marie, on the north coast of the Indian Ocean island of Reunion Friday, July 31, 2015. Investigators prepared to load a sea-encrusted wing fragment onto a plane bound for France on Friday, to undergo further investigations to learn whether the aircraft remnant could help unlock the mystery of missing Malaysia Airlines Flight 370. (AP Photo/Ben Curtis) (The Associated Press)

CORRECTS LOCATION Members of the media watch as a white van, accompanied by police motorcycles and a police car transporting what is believed to be debris from a Boeing 777 plane that washed up on an Indian Ocean island, arrives at Direction Generale de L'armement (DGA) facilities in Balma, near Toulouse, south-western France, Saturday, Aug. 1, 2015. A piece of plane wing that could be from missing Malaysia Airlines Flight 370 arrived Saturday in Toulouse, France, for inspection by military aviation experts.The 6-foot-long part, wrapped in a box and shipped as cargo, was flown from the small island of Reunion, near Madagascar. (AP Photo/Fred Lancelot) (The Associated Press)