The Army's Common Infrared Countermeasures program -- a Northrop Grumman-led effort to outfit U.S. military helicopters and fixed-wing aircraft with a next-generation defense against infrared-guided missiles -- passed muster with the Pentagon's top tester in the inaugural assessment of the $3 billion program. Director of Operational Test and Evaluation Robert Behler, in his 2018 annual report to Congress and the defense secretary, concludes that the system -- which includes nine main technologies including gimbal assembly, camera assembly, a quantum cascade...