Comparison testing that would pit the F-35 against the decades-old A-10 to measure the fifth-generation fighter's close-air-support capabilities was not in the Joint Strike Fighter's testing plan until this year, according to F-35 Program Executive Officer Lt. Gen. Christopher Bogdan. Bogdan said during a defense conference in Washington on Wednesday that while comparison testing is not an irregular activity, it wasn't on the original testing slate for the program. The operational test community revealed last month that F-35 to A-10...