A Coast Guard aircrew aboard an MH-60 Jayhawk helicopter assist the crew of the Coast Guard Cutter Henry Blake with the placement of an aids-to-navigation tower in Puget Sound near the San Juan Islands, Aug. 28, 2015. The new ATON marker was put in place to mark an island safe haven and to mark navigational hazards for mariners transiting the area. U.S. Coast Guard video by Petty Officer 1st Class Levi Read