285th Field Artillery Observation Battalion

285th Field Artillery Observation Battalion
285th Field Artillery Observation Battalion
Active	1942–1945
Country	United States
Branch	United States Army
Role	Artillery sound ranging
Engagements	World War II Ardennes-Alsace; ;

The 285th Field Artillery Observation Battalion was a United States Army unit that saw action in the Battle of the Bulge in World War II. Their main mission was to identify the location of enemy artillery using the "sound and flash" technique (sound ranging and flash spotting).^[1]

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