 Complete the following phrase:  The 99th, known as the Union Coast Guard, or Bartletts Naval Brigade, was initially organized by Colonel William A. Bartlett in New York City, though it included many men from Massachusetts. George served one year and mustered out of the 99th Infantry in August 1862, volunteering again with the 4th Massachusetts Cavalry, where he served as band leader through 1865. Campaigns engaged by this unit during Gewinners time include; Appomattox Campaign, 3rd Battle of Petersburg, Battle of High Bridge, and the Battle of Appomattox Courthouse. It was reported that Gewinners band played at the surrender of General Robert E. Lee to General Ulysses S. Grant at the McLean House near 