What is Tupolev TB-1?
[[Image:ANT-4 in Ulyanovsk Aircraft Museum.JPG|thumb|250px|ANT-4 at the Ulyanovsk Aircraft Museum]] The '''Tupolev TB-1'''<ref>The abbreviation ''TB'' stands for Тяжёлый бомбардировщик (''Tyazholy Bombardirovschik''), [[Russian language|Russian]] for 'heavy [[bomber aircraft|bomber]]'.</ref> (development name '''ANT-4''') was a [[Soviet Union|Soviet]] bomber aircraft produced by [[Tupolev]]. == References == {{reflist}} [[Category:Tupolev aircraft]] {{transport-stub}}