The U.S. Air Force on April 30 canceled a program to help aircrews on the Lockheed Martin [LMT] HH-60G Pave Hawk combat search and rescue helicopter overcome degraded visual environments (DVE), but congressional defense authorizers want the service to submit a report on the cancellation and to restore funding for the effort, which may also lead to a system to help aircrews in the HH-60W Jolly Green II, which is to replace the Pave Hawk. The House Armed Services Committee's…