‘Balding, rawhide-lean, just under six feet tall’: the real life soldier behind Robert Duvall’s Apocalypse Now role

‘Air cavalry’ commander John B Stockton was the inspiration behind Duvall’s napalm-sniffing Lt Col Kilgore in Francis Ford Coppola’s Vietnam war epicThe actor Robert Duvall, who died this week, is known for many memorable movie roles, but none so much as his cameo as the Stetson-wearing Lt Col...