27:54
Stalin SE RIÓ de FONTANERO Que Propuso 'Motor Imposible' —Luego SUS Katyushas DESTRUYERON 680,000 SS
44:11
How an engineer's 'cable trick' stopped a Tiger tank in its tracks
34:27
How One Mechanic's "Stupid" Wire Trick Made P-38s Outmaneuver Every Zero
38:29
How a plumber's "absurd" idea saved 5,000 bomber engines
22:13