Coast Guard Cutter Hamilton, a National Security Cutter, makers her maiden arrival Charleston, S.C., Nov. 24, 2014. Hamilton is the first NSC to be stationed on the East Coast since the new class of cutters was established. (U.S. Coast Guard photo by Petty Officer 1st Class Stephen Lehmann)
This is a watercolor by Edward Hopper (1882-1967), of a 36 ft. motor lifeboat (MLB) entitled "Coast Guard Boat I" In the lower right corner it is signed: Edward Hopper/Two Lights Me. It was painted in 1929 in Cape Elizabeth, Maine. For more info. see http://www.christies.com/lotfinder/drawings-watercolors/edward-hopper-coast-guard-boat-i-5793578-details.aspx#top
The Coast Guard has roles in maritime homeland security, maritime law enforcement (MLE), search & rescue (SAR), marine environmental protection (MEP), & the maintenance of river, intracoastal & offshore aids to navigation (ATON).