The chief executive of Huntington Ingalls Industries says the company, which has made multiple unmanned acquisitions in recent years, will continue to keep spending in the area. In an interview with Inside Defense earlier this month, Mike Petters said the company is operating on the assumption that demand is going to grow significantly. "We're always looking to see . . . what do we think our customers are going to demand" in the future, Petters said. Earlier this month,...