PALMDALE, Calif. -- Air Force and Northrop Grumman officials unveiled the first RQ-4 Block 40 Global Hawk in Palmdale, Calif. June 25. The Block 40 incorporates the multi-platform radar technology insertion program or MP-RTIP radar, which provides high fidelity ground moving target indication and high quality radar imagery. Electronic Systems Center at Hanscom Air Force Base, Mass. manages MP-RTIP sensor suite development and Aeronautical Systems Center at Wright-Patterson AFB, Ohio oversees the RQ-4 Global Hawk program. (photo courtesy Northrop Grumman)