The sub was also known as the Papa-Class. -Built under Project 661, the K-222 was powered by two nuclear reactors and armed with SS-N-7 cruise missiles. However, its high cost, excessive noise ...

Project 661, known as the Papa-class by NATO, was developed roughly in parallel with another high speed-design, the Project 705 torpedo attack submarine, which would result in the iconic Alfa ...

Golden Fish or Papa-Class: Soviet Speed Demon Sets Underwater Record. When one considers the main attributes of a submarine, speed is not generally at the top of the list.