Huntington Ingalls Industries Reports Strong Second Quarter Results; Significant Progress on Key Programs. Huntington Ingalls Industries (NYSE:HII) reported second quarter 2012 revenues of $1.72 billion, up 10.1 percent from the same period last year, and segment operating margin of 7.4 percent, up from 6.3 percent in Q2 2011. Total operating margin was 6.2 percent, up 34 basis points from the second quarter of last year, and second quarter diluted earnings per share was $1.00, compared with $0.80 in the same period of 2011, an increase of $0.20. Cash provided by operating activities in the second quarter of 2012 was $151 million, $35 million less than the same period last year.