MASTER Sergeant Osamu Tanaka, Japanese Air Self Defense Force (JASDF), explains to Masanori Imanishi, who is interested in aircraft, the finer points of the CH-147 Chinook helicopter assigned to the Naha Helicopter Airlift Squadron. From June 30 - July 1, 2001, Kadena Air Base opened its gates for AmericaFest 2001 to promote friendship between Americans and Okinawans. Static aircraft displays, musical performances and a wide variety of food booths were featured