The P2V - 7 ( Bu No. 140439 ) Neptune aircraft from US Navy Squadron VX - 6 in which he was a passenger crashed at Wilkes Station Antarctica , where it had refueled overnight .
Was en route back to McMurdo Station .
The P2V - 7 ( Bu No. 140439 ) Neptune aircraft from US Navy Squadron VX - 6 in which he was a passenger crashed at Wilkes Station Antarctica , where it had refueled overnight , and was en route back to McMurdo Station .