🛩️The TB-3 was the world's first all-metal four-engine cantilever wing bomber.
💣It had a maximum bomb load of 5 tons, the largest for any production aircraft at the time.
🔫The TB-3 was armed with multiple twin-mounted machine guns and had extendable wing turrets.
🛠️Its development faced several challenges, including material shortages and changing requirements.
🏭Production of the TB-3 began in 1931, and it served as a key bomber for the Soviet Union.