Keywords: Grumman SF-1s Naval Air Reserve 1937.jpg Three U S Naval Reserve Grumman SF-1s assigned to Naval Reserve Air Base Anacostia Washington D C USA in 1937 Note the Naval Air Resereve insignia on the fuselage forward of the cockpit <br> Notes The scout version of the Grumman FF-1 fighter the SF-1 differed from its predecessor in reduced armament and an increased fuel capacity Powered by a Wright R-1820-84 the SF-1 entered service in Spring 1934 and eventually served in six squadrons Quickly outclassed by other designs the SF-1s spent their remaining years in the hands of reserve pilots U S Navy National Museum of Naval Aviation photo No 1996 229 055 http //collections naval aviation museum/emuwebdoncoms/pages/doncoms/Display php irn 16036468 QueryPage 2FQuery php 1937 U S Navy PD-USGov-Military-Navy Grumman FF/SF United States Naval Air Reserve |