Show odd traffic Diric directing ting high up in the signal control tower at the detroit municipal airport a man stands as planes come in directing frame with a barrel shaped object IS 18 inches long and 8 inches in diameter it Is fitted with pistol grips and briggen trig geN As the planes hover in close the man can be seen pointing the weapon wen pon at them it if Is an aerial light which Is visible only to the the plane at which it Is pointed when the red light shines the pilot must circle some more but when he spots the green the field to Is clear for or him to bring brin g his plane down |