The sole prototype of the Tu-70, the commercial transport derivative of the Tu-4 strategic bomber

This general arrangement drawing depicts the proposed production version of the Tu-75 military transport, the upper side view illustrating the Tu-70 commercial transport for comparison purposes.

The prototype Tu-75 military transport was flown for the first time in 1950. This lacked the defensive armament and ventral loading ramp proposed for the production derivative which failed to materialise.

The prototype Tu-75 military transport was flown for the first time in 1950. This lacked the defensive armament and ventral loading ramp proposed for the production derivative which failed to materialise.

A sectioned view of the proposed production version of the Tu-75 military transport with two remotely-controlled gun barbettes, tail armament, and ventral loading ramp.