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        Policy UpdatesNewsroomReoptimizationBIOGRAPHIESAF Senior Leaders      The twelfth F-35A Lightning II aircraft needed to declare initial operational capability (IOC) emerges from a repair hangar after depot and unit-level modifications were completed June 30, 2016 at Hill Air Force Base, Utah. The modifications were needed to correct an overpressure condition in the fuel system during elevated G-maneuvers and fuel migration between internal fuel tanks. (U.S. Air Force Photo by Alex R. Lloyd)Ogden complex delivers F-35s for units to reach combat readiness
                        
                        
                        The 12th F-35A Lightning II needed to declare initial operational capability emerges from a repair hangar after depot and unit-level modifications were completed June 30, 2016, at Hill Air Force Base, Utah. The modifications were necessary to correct an overpressure condition in the fuel system during elevated G-maneuvers and fuel migration between internal fuel tanks. (U.S. Air Force photo/Alex R. Lloyd)
                
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Ogden complex delivers F-35s for units to reach combat readinessPublished July 13, 2016
                    
                    By Alex R. Lloyd
                    
                    
                    Ogden Air Logistics Complex
            **HILL AIR FORCE BASE, Utah (AFNS) --**The Ogden Air Logistics Complex recently completed modifications on the 12th F-35A Lightning II for the Air Force's active-duty 388th Fighter Wing and Air Force Reserve’s 419th Fighter Wing.The June 30 delivery gives both wings the minimum number of aircraft required to reach initial operational capability, or combat readiness.The goal is to declare IOC between August and December when the 388th FW’s 34th Fighter Squadron has 12 to 24 total aircraft and the Airmen become fully trained. The squadron will be manned and equipped to conduct basic close air support, interdiction, and limited suppression and destruction of enemy air defenses."We are working extremely hard to achieve the operational milestones required for the Air Force to declare the F-35 combat ready," said Col. Brad Lyons, the 388th FW commander. "We couldn't have done any of it without the required modifications performed at the depot here."The 34th FS received the first combat-coded F-35As September 2015. After flying and testing them, the F-35 program executive officer determined the aircraft needed specific modifications before they are combat ready."The purpose of the depot-level mod was to correct an overpressure condition in the fuel system during elevated G-maneuvers," said Capt. Jeremy Geidel, the 570th Aircraft Maintenance Squadron deputy commander.A "G" is a force being equal to that of gravity.The F-35A has been designed to withstand maneuvers of up to 9 Gs. With the overpressure exceeding tank structural limits, lower restrictive G-limits were necessary for safe flying operations until the modification could be completed.In order to save maintenance time, the Ogden ALC also completed two more unit-level modifications that would have removed the aircraft from flying status for several more days.Those modifications were related to the fuel overpressure condition and another that prevented fuel migration between internal fuel tanks, Geidel said."The initial aircraft required 35 days to complete,” Geidel said. “We were able drive it down to 26 days or less.”Maintainers also coordinated the schedule closely with the 34th Aircraft Maintenance Unit to reduce the impact on depot and flying operations."It was a huge team effort between the Ogden ALC, Lockheed Martin, and the 388th and 419th Fighter Wings," said Brig. Gen. Steven J. Bleymaier, the Ogden ALC commander.The base is slated for three operational F-35 squadrons and a total of 78 aircraft by the end of 2019.The 388th and 419th FWs fly and maintain the Air Force's newest fighter aircraft in a total force partnership, which capitalizes on the strengths of the active-duty and Reserve components.Hill AFB 



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