South Korean Air Force gives CNN rare access to its newest fighter jet . Roaring engines , heat haze on the tarmac , fighter pilots in Aviator sunglasses : This involves rigorous testing , including surviving G - force simulator . Anna Coren passes out twice trying to withstand gravity for 20 seconds . This is used to replicate extreme forces of gravity in a jet .
South Korean Air Force gives CNN rare access to its newest fighter jet . This involves rigorous testing , including surviving G - force simulator . Anna Coren passes out twice trying to withstand gravity for 20 seconds . This is used to replicate extreme forces of gravity in a jet .