PACAF demonstration team performs during the 2012 Singapore Airshow Published Feb. 17, 2012 13th Air Force Public Affairs CHANGI, Singapore -- To view exclusive photos of the Pacific Forces Demostration team during the 2012 Singapore Airshow click here. A cross-section of U.S. military aircraft and equipment are participating in the show through static displays and aerial demonstrations including B-52 Stratofortress, E-3 Sentry, C-17 Globemaster III and, KC-135 Stratotanker. The trade and air show is held every two years, and the U.S. has supported it since 1992. In 2010, the trade and air show brought together 897 exhibiting companies from 36 countries and 43,459 trade attendees from 133 countries. Through participation in air shows and other regional events, the U.S. is able to demonstrate its commitment to the security of the Asia-Pacific region, promote the standardization and interoperability of equipment, and display capabilities critical to the success of current and future military operations.