CNN CNN Newsroom March 29, 2014 18:19:00
When the air pressurized air in the plane gushes out into explosive force. those inside the plane need to get to an oxygen mask immediately or they suffer badly from asphyxia. on the two test flights. on one of the test flights, maximum altitude, 43,000 feet and the pilot just got it down, and even then, four of the test crew had to be taken to hospital to be treated for in diving terms called the bends, because they didnt get to their oxygen masks in time. now, its very fortunate that that happ...
Source: archive.org