2 sources · first reported Yesterday

The US Air Force's MH-139 Grey Wolf helicopter has achieved initial operational capability, marking its entry into the nuclear missile security mission. This milestone allows the Grey Wolf to take on its intended role, supporting the transition to the LGM-35A Sentinel weapon system.
The MH-139 Grey Wolf's initial operational capability is significant as it enhances the security of the US nuclear missile arsenal, particularly during the transition to the advanced LGM-35A Sentinel system.
How this story unfolded across sources, oldest first.