Large canopy open on new USAF Raytheon Beech T-6A Texan II 97-021. There were only 18 in USAF as of Nov 3, 2000. JPATS (Joint Primary Training System) is based on the Swiss Pilatus PC-9 but modified to include a strengthened fuselage, upgraded engine, increased fuel capacity, pressurized cockpit, larger bird-resistant canopy and new digitial electronics. The JPATS will replace the USAF's T-37Bs and USN's T-34Cs in primary pilot training.