HANOI, June 17, 2016 (Xinhua) -- Photo taken on June 17, 2016 shows the wreckage of a CASA aircraft retrieved around Bach Long Vi water area in Vietnam's northern Hai Phong city. Wreckage of a CASA aircraft of Vietnam with nine people aboard which lost contact Thursday while carrying out rescue mission in waters off northern Vietnam has been recovered on Friday. (Xinhua/VNA)