. . . "Engineer battalion" . "Engineer Corps" . . . "150px" . "Army engineers" . . "corps of engineers" . "ENG" . . . . . . . . . . . . . . . . "Corps of Engineers (Ireland)" . . "Camp construction, military bridging" . "COE" . "1924" . . "Engineer Corps (Ireland)" . "Corps of Engineers (Ireland)" . "Engineer" . .