U.S. Sailors and Marines volunteer with the National

U.S. Sailors and Marines volunteer with the National Park Conservatory to help with the maintenance and preservation of Golden Gate National Park during the 35th annual Fleet Week San Francisco, Oct 8, 2015. SFFW 15’ is a week-long event that blends a unique training and education program, bringing together key civilian emergency responders and Naval crisis-response forces to exchange best practices focused on humanitarian assistance disaster relief with particular emphasis on defense support to civil authorities. (U.S. Marine Corps photo by Lance Cpl. Ryan Kierkegaard, 1st Marine Division Combat Camera/Released)