. . "McDonnell Douglas Astronautics Company." . . "Aerial observation (Military science)" . . . . . . . . . . . . . . . . . . . . . . . . . "Development of resource management materials for the G2 air officer"@en . "Development of resource management materials for the G2 air officer" . "U.S. Army Research Institute for the Behavioral and Social Sciences." . . "Military intelligence." . .