U.S. Navy Berliner Joyce OJ-2 observation floatplanes fly in formation with a few Vought O2U/O3U planes over San Diego Harbor, California (USA), in 1933-35. Many of these planes are from Scouting Squadron 6B (VS-6B).
U.S. Navy
Official U.S. Navy photo <a rel="nofollow" class="external text" href="http://www.history.navy.mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/NH-94000/NH-94804.html">NH 94804</a> from the U.S. Navy <a rel="nofollow" class="external text" href="http://www.history.navy.mil">Naval History and Heritage Command</a>