Paya Lebar Air Base ramp at that time had 28 USAF F-15s , four USAF Lockheed C-130 Herculeses , four USAF Boeing KC-135 Stratotankers , one Lockheed C-141 Starlifter , one Boeing C-17 Globemaster III , plus all the permanently based RSAF aircraft and aircraft from other nations .
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