Ilyushin Il-76 (Russia) ✈ Boeing C-17 Globemaster III (USA) ✈ Xian Y-20 (China)

Ilyushin Il-76 (Russia). First flight: 25 March 1971 (WIKI)

Boeing C-17 Globemaster III (USA). First flight: 15 SEPTEMBER 1991 (WIKI)

Xian Y-20 (China).  First flight: 26 January 2013 (WIKI)