E-Flite P-51D Mustang 1.5m BNF Basic with SmartIntroduction The Truman Senate War Investigating Committee called the North American Aviation P 51 Mustang the most aerodynamically perfect pursuit plane in existence. During WWII, it blasted trains, ships, and enemy installations throughout Western Europe. The D variant, outfitted with the legendary Merlin engine, gave the U. S. Army Air Forces a high altitude, long range fighter capable of escorting heavy bomber formations the entire way to Berlin