The History Network

Following the Civil War, Mackenzie reverted to the rank of Captain and rejoined the Corps of Engineers in New Hampshire, improving fortifications along the Atlantic coast. However, after spending the last two years in a combat command, engineering no longer held his interest. He wished to return to the field and advance his career. In early 1867, Mackenzie headed to Washington to petition General Grant to send him west. Dur: 42mins File: .mp3