A House panel is threatening to withhold funding from the military's flagship program to achieve joint all-domain command and control until the Air Force shares information on its Global Hawk divestment plans. The service's FY-21 budget request shows the service plans to retire Global Hawk Block 20 Battlefield Airborne Communications Node and Block 30 platforms -- making up about two-thirds of the RQ-4 fleet. The House Armed Services tactical air and land forces subcommittee's portion of the fiscal year 2021...