sentences:  In March 1863, the battery changed from mounted field artillery to flying horse artillery, the only battery of flying artillery in the Union Western armies.The battery was mustered out on June 30, 1865, in Chicago.The battery suffered relatively light casualties during its term of service, including 10 enlisted men who were killed in action or who died of their wounds and 9 enlisted men who died of disease, for a total of 19 fatalities.