150828-N-CI175-009 DETROIT (Aug. 28, 2015) Musicians assigned to the Navy Band Great Lakes Popular Music Group Horizon perform at downtown Detroit's Campus Martius Park as part of Detroit Navy Week. Navy Weeks focus a variety of assets, equipment and personnel on a single city for a week-long series of engagements designed to bring America's Navy closer to the people it protects, in cities that don't have a large naval presence. (U.S. Navy photo by Mass Communication Specialist 1st Class Jon Rasmussen/Released)