When the NCR created Radios that can spy on their enemies, they started to rebel. A Radio that would be known as the Radio Commander stayed behind in their secret bunker where they were created to see through their operations
In New Vegas Mods: Tribes of Red Rock - Part 1 he sends Radios to attack him. He appears physically in New Vegas Mods: Attack Of The Radios! - Part 2 where he meets Al after finding their secret compound. Al tries to talk his way out but instead dies a few times from his companions' clones. After killing everyone, including the Radio Commander, he blows up the compound.
In Hopper31's video ...? it was revealed that the Radio Commander survived the attack and was extracted by two Business Radroaches, burning and barely functioning, and was escorted to safety before Al blew up the facility.