The month of June is filled with patriotic celebrations like Flag Day and the U-S Army’s birthday. So it’s a good time to learn more about number three hundred-seventy-one on the Fortune 500 - Huntington Ingalls Industries – a company serving our country’s military. H-I-I is a relative baby in the Aerospace and Defense category. It was founded just eight years ago in 2-thousand-eleven as a spinoff from Northrop Grumman.