A far trumpet

""Cavalry Lieutenant Scott W. Dunham began a new life in the rugged Southwest territory after an Apache rampage left the son of a U.S. Senator dead and his military career in tatters. Then duty called once more, and the seasoned soldier answered. Joining an expedition tracking the ferocious chief, Medicine Shirt, Scott discovered that its leader was the officer behind his court martial. Now he had to choose between his heart's honor and a soldier's glory." from back cover."
"After having unfairly and dishonorably discharged from the Army, Lt. Scott Dunham begins a new life for himself. Then his former commander asks him to join an expedition to capture a fierce Apache leader and his tribe and Dunham is eventually forced to choose between a renewed military career and his own sense of honor."
"Joining an expedition tracking the ferocious chief, Medicine Shirt, Scott Dunham discovers that its leader is the officer behind his court martial. Now he must choose between his heart's honor and a soldier's glory."@en