ARLINGTON, Va.-Coast Guard Master Chief Petty Officer of the Reserves Mark Allen listens as a few members of Recruit Companies Sierra 185 and Tango 185 read the history of the USS Serpens Memorial during the annual Flags Across America event on Arlington National Cemetery Saturday, November 5, 2011. Recruit companies Sierra 185 and Tango 185 visited Arlington National Cemetery for their one-day off-base liberty, which is their only break in an eight-week boot camp at the Coast Guard-s Training Center in Cape May, N.J. U.S. Coast Guard photo by Petty Officer 2nd Class Annie R. B. Elis.