The Defense Science Board says the Global Positioning System constellation should grow to 30 satellites—to offset what it terms the “significant risk” posed by the current reconstitution and modernization plan. In a report released last week (but dated October 2005), the well-regarded panel recommends that USAF develop the next-generation GPS Block III satellites in weights that would permit launch of two sats at a time. That says DSB would help reign in costs that might prohibit fleet expansion. The board also wants to improve the ability for GPS to defend itself against electronic jamming and expand signal availability.
More than 20 tankers lined the runway at McConnell Air Force Base, Kan., on March 27, for an “elephant walk” and the base’s largest mass launch of aircraft ever. Sixteen KC-46s and five KC-135s participated in the flush, with aircraft and Airmen from the 22nd Air Refueling Wing and the 931st…