Boeing Airlines has sent out a second tweet on the missing Malaysia Airlines Flight MH370 that reportedly was lost somewhere over Vietnam air space heading to China overnight. The plane was a Boeing 777-200ER, according to reports. “Our team is assembled for technical assistance on MH370. Our thoughts remain with all on board & their families,” Boeing tweeted, as boats were rushing to try to find the plane in the South China Sea. Reuters news service reported at 1:18 a.m. EST that the plane had crashed in the sea, but Malaysia Airlines has not yet confirmed that report. People from 14 nationalities, including Americans, reportedly were aboard the flight.