Watch live as United Launch Alliance launches spy satellite

The United Launch Alliance is set to blast a new spy satellite into space for the US National Reconnaissance Office in Cape Canaveral, Florida.

The American spacecraft launch service provider is using a Delta-4 Heavy rocket to carry the classified NROL-82 payload into orbit.

The military satellite will lift off from Space Launch Complex-6 at Vandenberg Air Force Base at 1:46pm PDT on Monday evening.

This will be the 143rd mission for United Launch Alliance, the 90th mission in support of US national security, and the 31st for the NRO.