Russia had developed a nuclear-armed anti-satellite (ASAT) weapons system.

This could trigger a nuclear arms race and bring space to the brink of catastrophe.

A Strategic Arms Reduction Treaty (START) is needed to have a nuclear weapons-free space.

In 1967 the USA and Soviet Union agreed to ban nuclear arms in space.

This is a threat to thousands of satellites.

[Source: www.spacenews.com]