He gave boys ' names to the fighters , and the names of girls to the others .
Together with Technical Sergeant Francis M. Williams and Corporal Joseph Grattan , McCoy divided the Japanese aircraft into two categories ; fighters and everything else .
McCoy gave boys ' names to the fighters , and the names of girls to the others .
Together with Technical Sergeant Francis M. Williams and Corporal Joseph Grattan , McCoy divided the Japanese aircraft into two categories ; fighters and everything else .