The 75th anniversary of the DC-3 will be celebrated at EAA AirVenture in Oshkosh this year with a mass arrival of an expected 40 planes. Fifty or more of the planes, including their military counterparts the C-47 and R4-D, are expected to fly to Oshkosh for the weeklong event that starts on July 26. https://www.airventure.org/news/2010/100304_dc3growing.html