"1942" . . "Japanese 18th Army" . "18th army" . "An Imperial Japanese Navy pilot in New Guinea" . "IJA 18th Army" . . "0009" . . "1945" . "Eighteenth Army (Japan)" . . "0009" . . . "18th Army" . "Japanese XVIII Army" . . . . . "XVII Army" . "Eighteenth Army" . "Eighteenth Army (Japan)" . . . . . . . "XVIII Army" . . . . "Corps" . "Japanese Eighteenth Army" . .