The Air Force Life Cycle Management Center (AFLCMC) at Hill Air Force Base awarded IAP World Services Inc. of Melbourne, Florida two indefinite-delivery/indefinite-quantity contracts totaling $92 million on May 19, 2026 -- a $52 million IDIQ (FA8217-26-D-B013) for AN/FPS-117 long-range radome replacement and a $40 million IDIQ (FA821726DB014) for AN/FPS-124 gap-filler radome replacement -- covering remote radar sites in Alaska, Canada, Hawaii, Utah, and Florida through May 2035. Four offers were received on the FPS-117 contract, confirming that the government treated this as a competitive procurement despite the remote and specialized nature of the work.
The North Warning System and Polar Air Defense
The North Warning System (NWS) is a joint U.S.-Canadian radar network that forms the primary layer of warning against aircraft and cruise missiles approaching North American airspace through the Arctic corridor. Stretching from Alaska across northern Canada to Labrador, the network combines long-range AN/FPS-117 radars capable of detecting targets at ranges far beyond 100 nautical miles with shorter-range AN/FPS-124 gap-filler radars that cover the lower-altitude approaches between the long-range sensor nodes. Together, these systems feed tracking data to NORAD, the binational command responsible for North American aerospace defense, which uses the radar picture to cue fighter intercepts and provide warning to national command authorities.
The polar approach routes covered by the North Warning System are strategically significant because they represent the shortest flight paths between northern Russia and population centers in the continental United States and Canada. Continuous radar coverage across this arc is foundational to NORAD's ability to provide warning and, where applicable, intercept opportunities against potential airborne threats. Any degradation in sensor availability along this arc degrades the warning timeline available to decision-makers and reduces the options available for a defensive response. The NWS has operated in this role since the 1980s when it replaced the earlier Distant Early Warning (DEW) Line, and maintaining its sensor availability has remained a sustained priority despite the post-Cold War drawdown of other Arctic surveillance infrastructure.
Panel Decay and Structural Risk
Radomes -- the protective fiberglass or composite shells that enclose radar antennas at remote sites -- degrade over time through ultraviolet exposure, thermal cycling between Arctic cold and summer warmth, moisture intrusion through panel joints and fasteners, and the mechanical stress of extreme weather including wind, ice loading, and freeze-thaw cycles that expand and contract structural connections. The radomes protecting the North Warning System's AN/FPS-117 and AN/FPS-124 antennas have been documented as experiencing serious panel decay, with structural deterioration reaching a point that threatens the physical protection of the radar antennas underneath.
A structurally compromised radome exposes the antenna to wind loading and precipitation that can damage the antenna itself, introduce signal-degrading ice accumulation on antenna surfaces, and in worst cases cause physical failure of the enclosure during severe weather events. Beyond physical protection, a radome in poor condition can alter the antenna's electromagnetic transmission and reception characteristics -- introducing insertion loss or pattern distortion that reduces detection range and accuracy without any visible change to the radar electronics themselves. Maintaining the geometric and RF-transparent properties of the radome is therefore not a cosmetic concern but a mission-critical requirement for sensor fidelity.
The two IDIQ contracts cover the full replacement scope at each affected site: removal of deteriorating panels, fabrication and delivery of replacement radome structures engineered to the original RF and structural specifications, and installation, inspection, and field testing at each radar location. The geographic spread of affected sites -- Alaska, Canada, Hawaii, Utah, and Florida -- reflects both the NWS radar network's Arctic footprint and the support infrastructure and maintenance depots associated with these systems at lower-latitude locations, where training facilities and logistics hubs are co-located with radar installations serving different surveillance missions.
What It Means for Contractors
The IDIQ structure of both contracts means task orders will be issued over the life of the vehicles through May 2035, giving IAP World Services and its subcontractors a sustained work pipeline rather than a single delivery event. IAP World Services operates as a government services and facilities management contractor with an established presence in remote and specialized site operations, but radome fabrication and installation at the scale required for military radar systems draws on specialized subcontractors with capabilities the prime may not hold organically.
Radome manufacturing is a niche composite structures market. Replacement radomes for military radar systems must be fabricated to specifications that preserve the original antenna's RF performance characteristics, which means suppliers must work from or develop material and layup specifications that match the original design's dielectric properties. Large-diameter, RF-transparent fiberglass or other dielectric composite structures require tooling, manufacturing processes, and RF testing equipment that are not common across the broader composites manufacturing base. Firms with experience in telecommunications tower radomes, shipboard radar enclosures, or ground-based air defense system radomes are the most natural fit for this subcontracting work.
Remote site construction and installation in Alaska and northern Canada involves logistics, personnel, and equipment mobilization challenges that favor contractors with demonstrated Arctic or austere-environment construction experience. Work at these sites requires knowledge of bush aviation logistics for sites without road access, cold-weather construction practices adapted to permafrost and extreme temperature conditions, and the ability to execute within compressed seasonal work windows. Alaska-based construction firms and contractors with prior NWS or DEW Line site experience hold a natural advantage due to existing relationships with regional aviation logistics providers and familiarity with permitting requirements on federal land in remote Alaska and northern Canada. The nine-year ordering period under both IDIQs means entry opportunities will recur throughout the decade, and the competitive award of four offers on the FPS-117 vehicle confirms the government's interest in maintaining a competitive market for this work rather than relying on a single vendor. Contractors tracking these IDIQs should monitor the Federal Procurement Data System and sam.gov for task order solicitations as AFLCMC begins programming specific site replacement schedules based on condition assessments at each radar location.