Pop culture watchers may recall David Niven as an Oscar-winning actor famous for such movies as “Around the World in 80 Days” and “The Pink Panther.” History should also remember him for his service with the military in his native England. The son of a military man, James David Graham Niven’s military career began with his admittance to the Royal Military College at Sandhurst. Niven later was commissioned as a second lieutenant in the Highland Light Infantry. He was discharged in 1935 and, with little for a military man to do after World War I, went to Hollywood to work...