![Mast-stepping](https://www.marinelog.com/wp-content/uploads/2023/07/maststep-300x225.jpg)
Mast-stepping ceremony marks milestone in Stennis RCOH
Huntington Ingalls Industries (NYSE: HII) Newport News Shipbuilding (NNS) division last week marked a milestone in the $3 billion refueling and complex overhaul (RCOH) of the nuclear aircraft carrier USS John C.