181006-N-RB564-0056 BALTIMORE (Oct. 6, 2016) Keith Sadler, from the U.S. Fleet Forces environmental program planning and resources, helps visitors learn about sounds of the sea, whale identification, Navy lookouts, and marine mammals at the U.S. Navy's "Stewards of the Sea: Defending Freedom, Protecting the Environment" exhibit during Maryland Fleet Week and Air Show Baltimore. The Navy employs every means available to mitigate the potential environmental effects of our activities without jeopardizing the safety of our Sailors or impacting fleet readiness. (U.S. Navy photo by Mass Communication Specialist 1st Class Gary A Prill/Released)