| Click for RUSSIAN language (cyrillic win-1251) | ![]() |
TB3 + 2 * I16 = SPB flight 
| SPB (sostavnoy pikiruyuschiy bombardirovschik = the composite dive bomber).
Soviet TB-3 4-engined bomber carried a pair of I-16 fighters (armed with a pair of 250kg bombs each).
All 6 engines worked together using the fuel tanks of TB-3. TB-3 gives own long-range to the symbiosis, the
little I-16 leaves him not far from a target and performs fast and unespected strike.
Total weight = 22 t, speed 260kmph.
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WW2 Aviation