WASHINGTON, Aug. 3 -- The General Aviation Manufacturers Association issued the following news release: To commemorate the 75th anniversary of the end of World War II, aerial tributes in Hawaii and Washington D.C. will take place in August and September. After lengthy discussions and coordination with federal and local officials, the 75th WWII Commemoration Executive Committee has made modifications to planned events in Oahu and the Washington D.C./Northern Virginia area to address health proto  more