Ilyushin Il-78

The Ilyushin Il-78 (; NATO reporting name Midas) is a Soviet four-engined aerial refueling tanker based on the Il-76 strategic airlifter.
Design and development.
The Il-78 tanker was developed and designed in the Ilyushin Aviation Complex in Russia. The main reason behind its development was an expansion of the transferable fuel load of an earlier version of tanker, the Il-76.
The Il-78 has a total transferable fuel load of , which includes from a pair of tanks in the freight hold. In comparison, the Il-76 has a capacity of only .
The Il-78 transfers fuel solely through deployment of the probe-and-drogue refueling method.