U.S. Air Force Eyes Arming Tankers with Active Defenses Against Missiles and Drones
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The U.S. Air Force is moving to strengthen the survivability of its aerial refueling fleet as evolving threats place tanker aircraft within reach of long-range missiles, loitering munitions, and advanced air-defense systems. As concerns grow over operations in contested environments, the issue has gained increasing attention because tankers are essential to sustaining U.S. airpower yet remain among its most exposed strategic assets.
Unlike modern fighters and bombers that benefit from stealth features, electronic warfare suites, and advanced self-protection systems, tanker aircraft continue to operate with limited defenses despite their critical role in enabling global strike and power projection missions. Improving their ability to survive in high-threat airspace is becoming a key requirement for future warfare, where the loss or displacement of refueling assets could significantly reduce the reach and effectiveness of U.S. combat operations.
Related News: U.S. Air Force Plans to Buy 15 KC-46A Pegasus Tanker Aircraft Under $3.52 Billion FY2027 Budget
A KC-46 Pegasus from the 418th Flight Test Squadron refuels an F-22 Raptor while an F-35A waits its turn over the Pacific Test Range on November 5, 2025. (Picture source: US DoD)
The issue has become particularly relevant as the United States prepares for potential high-intensity operations in the Indo-Pacific. The vast distances involved across the region require extensive reliance on aerial refueling. Long-range strike missions, combat air patrols, strategic bomber deployments, and military airlift operations all depend on tanker aircraft capable of operating in increasingly contested environments.
According to the Fiscal Year 2027 National Defense Authorization Act (NDAA) draft currently under review by the House Armed Services Committee (HASC), lawmakers are requesting that the USAF provide a detailed roadmap explaining how the Large Aircraft Survivability Systems (LASS) program will transition from development to initial operational capability before the end of 2031. Members of Congress argue that current timelines may not adequately reflect the pace at which threats to U.S. mobility aircraft are evolving.
These concerns stem from the central role aerial refueling plays in U.S. power projection. A single tanker often supports multiple fighters or bombers during a mission. The loss of one aircraft can therefore affect several sorties simultaneously, reduce operational reach, and disrupt broader air campaign planning. In a conflict involving an adversary equipped with advanced anti-access and area-denial capabilities, tanker availability becomes a strategic requirement.
Recent U.S. operations against Iran illustrated this dependence. During Operation Midnight Hammer, B-2 Spirit stealth bombers conducted a long-range strike mission supported by an extensive aerial refueling network involving KC-135 Stratotankers and KC-46 Pegasus aircraft positioned along multiple flight corridors. More broadly, the movement of large numbers of U.S. tankers between the continental United States, Europe, and the Middle East became one of the most visible indicators of American operational preparations before the strikes. These deployments highlighted how tanker fleets have become high-priority targets for any adversary seeking to limit U.S. airpower projection.
The Large Aircraft Survivability Systems (LASS) program is intended to develop a modular architecture combining threat-warning sensors, threat-processing systems, electronic countermeasures, and defensive effectors. Unlike traditional self-protection systems that primarily provide warning of incoming threats, LASS seeks to establish a layered defensive framework capable of detecting, tracking, and countering multiple categories of threats, including drones, cruise missiles, and advanced guided weapons.
USAF budget documents allocate approximately $508 million to the program through 2031. An initial $68 million is requested for Fiscal Year 2027 to support research, development, testing, and evaluation activities. Funding is expected to increase in subsequent years to support the development of sensors and defensive effectors intended for operational deployment.
Although the USAF has not yet disclosed the final LASS architecture, several existing technologies appear to be potential candidates for integration. The Large Aircraft Infrared Countermeasures (LAIRCM) system is currently the most mature solution. It combines AN/AAR-54 missile warning sensors with a directional infrared jammer designed to disrupt the seekers of infrared-guided missiles. The capability is already deployed on several U.S. strategic aircraft operating in higher-risk environments.
Additional systems could also become part of the program, including radar warning receivers capable of detecting hostile fire-control radars, digital electronic warfare suites designed to jam tracking radars, and countermeasure dispensers deploying chaff and flares. New passive sensors could further enhance the ability to detect missile launches at longer distances while improving crew situational awareness. The open architecture of the KC-46 Pegasus would theoretically facilitate the gradual integration of these technologies.
The two primary fleets expected to receive these upgrades are the KC-46 Pegasus and the KC-135 Stratotanker. The KC-46 can carry approximately 212,000 pounds of fuel and transfer more than 1,200 gallons per minute through its refueling boom. Its modern digital architecture supports the integration of additional sensors, software applications, and self-protection systems. The aircraft also incorporates secure communications and data-sharing capabilities that contribute to situational awareness and coordination with other aircraft.
The KC-135 Stratotanker remains the backbone of the U.S. aerial refueling fleet despite entering service in the late 1950s. More than 390 aircraft continue to support U.S. operations worldwide. Each aircraft can carry approximately 200,000 pounds of fuel depending on configuration and supports fighters, bombers, intelligence aircraft, and airlift missions. The age of the fleet complicates the integration of next-generation protection systems, increasing interest in modular solutions that can be adapted across multiple aircraft types.
Over the longer term, the USAF may also examine active effectors capable not only of disrupting incoming missiles but also of contributing to protection against emerging aerial threats. Long-range armed drones and low-flying cruise missiles are now among the scenarios considered by U.S. planners. However, no specific solution has been officially selected, and the future direction of the program remains subject to further development.
Today, tankers are generally positioned hundreds of kilometers away from the most heavily defended areas to reduce exposure to air-defense threats. If future active protection systems prove effective against selected missile and drone threats, tankers could operate closer to operational areas. Such a change would reduce transit times for combat aircraft, increase time on station, and improve sortie generation during sustained air operations.
At the same time, the USAF is investing in improved connectivity across its mobility fleet. Service leaders increasingly view survivability as dependent not only on onboard countermeasures but also on the ability to receive real-time warnings and exchange tactical data. In an environment saturated with sensors and long-range threats, information management has become a critical element of aircraft protection.
Congressional interest in tanker survivability reflects a broader shift in military planning. Potential adversaries continue investing in anti-access and area-denial networks intended to target the support aircraft that enable Western air operations at long range. In this context, the survivability of tanker fleets may become as important as the performance of combat aircraft themselves. For the United States and its NATO and Indo-Pacific partners, the success of the LASS program will influence deterrence credibility, airpower projection, and the ability to sustain operations across increasingly contested theaters.
Written By Erwan Halna du Fretay – Defense Analyst, Army Recognition GroupErwan Halna du Fretay holds a Master’s degree in International Relations and has experience studying conflicts and global arms transfers. His research interests lie in security and strategic studies, particularly the dynamics of the defense industry, the evolution of military technologies, and the strategic transformation of armed forces.
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The U.S. Air Force is moving to strengthen the survivability of its aerial refueling fleet as evolving threats place tanker aircraft within reach of long-range missiles, loitering munitions, and advanced air-defense systems. As concerns grow over operations in contested environments, the issue has gained increasing attention because tankers are essential to sustaining U.S. airpower yet remain among its most exposed strategic assets.
Unlike modern fighters and bombers that benefit from stealth features, electronic warfare suites, and advanced self-protection systems, tanker aircraft continue to operate with limited defenses despite their critical role in enabling global strike and power projection missions. Improving their ability to survive in high-threat airspace is becoming a key requirement for future warfare, where the loss or displacement of refueling assets could significantly reduce the reach and effectiveness of U.S. combat operations.
Related News: U.S. Air Force Plans to Buy 15 KC-46A Pegasus Tanker Aircraft Under $3.52 Billion FY2027 Budget
A KC-46 Pegasus from the 418th Flight Test Squadron refuels an F-22 Raptor while an F-35A waits its turn over the Pacific Test Range on November 5, 2025. (Picture source: US DoD)
The issue has become particularly relevant as the United States prepares for potential high-intensity operations in the Indo-Pacific. The vast distances involved across the region require extensive reliance on aerial refueling. Long-range strike missions, combat air patrols, strategic bomber deployments, and military airlift operations all depend on tanker aircraft capable of operating in increasingly contested environments.
According to the Fiscal Year 2027 National Defense Authorization Act (NDAA) draft currently under review by the House Armed Services Committee (HASC), lawmakers are requesting that the USAF provide a detailed roadmap explaining how the Large Aircraft Survivability Systems (LASS) program will transition from development to initial operational capability before the end of 2031. Members of Congress argue that current timelines may not adequately reflect the pace at which threats to U.S. mobility aircraft are evolving.
These concerns stem from the central role aerial refueling plays in U.S. power projection. A single tanker often supports multiple fighters or bombers during a mission. The loss of one aircraft can therefore affect several sorties simultaneously, reduce operational reach, and disrupt broader air campaign planning. In a conflict involving an adversary equipped with advanced anti-access and area-denial capabilities, tanker availability becomes a strategic requirement.
Recent U.S. operations against Iran illustrated this dependence. During Operation Midnight Hammer, B-2 Spirit stealth bombers conducted a long-range strike mission supported by an extensive aerial refueling network involving KC-135 Stratotankers and KC-46 Pegasus aircraft positioned along multiple flight corridors. More broadly, the movement of large numbers of U.S. tankers between the continental United States, Europe, and the Middle East became one of the most visible indicators of American operational preparations before the strikes. These deployments highlighted how tanker fleets have become high-priority targets for any adversary seeking to limit U.S. airpower projection.
The Large Aircraft Survivability Systems (LASS) program is intended to develop a modular architecture combining threat-warning sensors, threat-processing systems, electronic countermeasures, and defensive effectors. Unlike traditional self-protection systems that primarily provide warning of incoming threats, LASS seeks to establish a layered defensive framework capable of detecting, tracking, and countering multiple categories of threats, including drones, cruise missiles, and advanced guided weapons.
USAF budget documents allocate approximately $508 million to the program through 2031. An initial $68 million is requested for Fiscal Year 2027 to support research, development, testing, and evaluation activities. Funding is expected to increase in subsequent years to support the development of sensors and defensive effectors intended for operational deployment.
Although the USAF has not yet disclosed the final LASS architecture, several existing technologies appear to be potential candidates for integration. The Large Aircraft Infrared Countermeasures (LAIRCM) system is currently the most mature solution. It combines AN/AAR-54 missile warning sensors with a directional infrared jammer designed to disrupt the seekers of infrared-guided missiles. The capability is already deployed on several U.S. strategic aircraft operating in higher-risk environments.
Additional systems could also become part of the program, including radar warning receivers capable of detecting hostile fire-control radars, digital electronic warfare suites designed to jam tracking radars, and countermeasure dispensers deploying chaff and flares. New passive sensors could further enhance the ability to detect missile launches at longer distances while improving crew situational awareness. The open architecture of the KC-46 Pegasus would theoretically facilitate the gradual integration of these technologies.
The two primary fleets expected to receive these upgrades are the KC-46 Pegasus and the KC-135 Stratotanker. The KC-46 can carry approximately 212,000 pounds of fuel and transfer more than 1,200 gallons per minute through its refueling boom. Its modern digital architecture supports the integration of additional sensors, software applications, and self-protection systems. The aircraft also incorporates secure communications and data-sharing capabilities that contribute to situational awareness and coordination with other aircraft.
The KC-135 Stratotanker remains the backbone of the U.S. aerial refueling fleet despite entering service in the late 1950s. More than 390 aircraft continue to support U.S. operations worldwide. Each aircraft can carry approximately 200,000 pounds of fuel depending on configuration and supports fighters, bombers, intelligence aircraft, and airlift missions. The age of the fleet complicates the integration of next-generation protection systems, increasing interest in modular solutions that can be adapted across multiple aircraft types.
Over the longer term, the USAF may also examine active effectors capable not only of disrupting incoming missiles but also of contributing to protection against emerging aerial threats. Long-range armed drones and low-flying cruise missiles are now among the scenarios considered by U.S. planners. However, no specific solution has been officially selected, and the future direction of the program remains subject to further development.
Today, tankers are generally positioned hundreds of kilometers away from the most heavily defended areas to reduce exposure to air-defense threats. If future active protection systems prove effective against selected missile and drone threats, tankers could operate closer to operational areas. Such a change would reduce transit times for combat aircraft, increase time on station, and improve sortie generation during sustained air operations.
At the same time, the USAF is investing in improved connectivity across its mobility fleet. Service leaders increasingly view survivability as dependent not only on onboard countermeasures but also on the ability to receive real-time warnings and exchange tactical data. In an environment saturated with sensors and long-range threats, information management has become a critical element of aircraft protection.
Congressional interest in tanker survivability reflects a broader shift in military planning. Potential adversaries continue investing in anti-access and area-denial networks intended to target the support aircraft that enable Western air operations at long range. In this context, the survivability of tanker fleets may become as important as the performance of combat aircraft themselves. For the United States and its NATO and Indo-Pacific partners, the success of the LASS program will influence deterrence credibility, airpower projection, and the ability to sustain operations across increasingly contested theaters.
Written By Erwan Halna du Fretay – Defense Analyst, Army Recognition Group
Erwan Halna du Fretay holds a Master’s degree in International Relations and has experience studying conflicts and global arms transfers. His research interests lie in security and strategic studies, particularly the dynamics of the defense industry, the evolution of military technologies, and the strategic transformation of armed forces.
