Officer Lang Van Ngan of the Vietnam Air Force looks out the window onboard a flying AN-26 Soviet made aircraft during a search operation for the missing Malaysia Airlines flight MH370 plane over the southern sea between Vietnam and Malaysia Friday, March 14, 2014. Vietnam says it has downgraded but not stopped its search for the missing jetliner in the South China Sea and has been asked by Malaysian authorities to consider sending planes and ships to the Strait of Malacca. (AP Photo/Na Son Nguyen)