In 1970, the Soviet Union became the first country in the world to launch a cannon, and to this day no other country has.
The exact details of the cannon, which is likely to be installed at the space station, have been kept secret for more than 40 years.
Did the Soviets really test a machine gun in space?
In short, I really tried. Success or failure depends on the article itself.
The R-23M was installed and tested at the Almaz space station in the Soviet Union.
The cannon, which has been successfully tested in space, is derived from a cannon mounted on the tail of a bomber during the Cold War.
According to records, the development process for the weapon was carried out by the Moscow-based KB Tochmash Design Bureau.
Not surprisingly, KB Tochmash has been developing aircraft weapons technology for the Soviets since World War II, and the Soviets opted for this project.
The 14.5-mm machine gun can fire a 200-gram bullet at a range of 950 to 5,000 rounds per minute at a speed of 1,500 miles per hour for two miles.

In fact, there are many problems in testing a cannon in space with a propulsion system like this.
However, sources say the actual test was carried out on January 24, 1975, using the Salyut-3 space station.
During the test, the spacecraft’s jet engine propulsion system rotated every single shot fired by the cannon.
This balances the recoil, and this is one of the best ways they can do this.

The test used 20 rounds of ammunition, fired two to three rounds at a time, and the bullets burned in Earth’s atmosphere.
Attempts are still being made to confirm the results of the test, but later Soviet space stations were equipped with rockets.
So you can decide for yourself whether you are successful or not.
However, none of the armed space stations were later completed, and in 1978 the Almaz project came to an end.