Seen here, the Me 262 from this German manufacturer was the world's first operational fighter jet
It was the world's first operational turbojet fighter, 
and it simply ... who had seen combat in piston-driven Messerschmitt Me-109s 
and Focke Wulf ... Germany's war economy lacked many of the needed specialty 
... Messerschmitt Me 262 Schwable, the world's first jet fighter.