USAF Retires E-8 JSTARS Before Replacement, Shifting to Distributed ABMS Network

In 2023, the United States Air Force flew its last mission with the Northrop Grumman E-8 Joint Surveillance Target Attack Radar System (JSTARS), retiring the sole theater-wide ground surveillance radar jet in the fleet. Since then, no direct aircraft successor has emerged to fill the gap left by the one-of-a-kind Boeing 707 platform equipped with its distinctive radar array and surveillance suite. Instead of continuing with a similar airframe, the Air Force pivoted to a new concept for battlefield command and control known as the Advanced Battle Management System (ABMS).

The E-8 JSTARS program had been a foundational asset for the US and allied forces since its maiden flight in 1988, with 17 jets delivered featuring a large radar 'canoe' housing beneath the fuselage. This radar enabled broad terrain scanning and precise ground target detection, feeding critical data into joint data-link networks to coordinate battlefield operations. Over decades, the JSTARS became emblematic of airborne ground surveillance, but its recapitalization program was ultimately canceled as the Air Force shifted focus toward ABMS.

The decision to retire the JSTARS without a like-for-like replacement reflects an evolving approach to air warfare prioritizing survivability and adaptability. High-value manned assets such as the JSTARS have been increasingly vulnerable, a reality underscored by recent conflicts like Russia's 2022 invasion of Ukraine and the joint US-Israeli Epic Fury operation. Both saw considerable losses of crewed aircraft due to drones and inexpensive munitions, highlighting that concentrating expensive ISR (intelligence, surveillance, reconnaissance) capabilities on a few platforms is risky.

ABMS offers a fundamentally different architecture: a distributed sensor network or 'combat cloud' linking sensors, shooters, and decision-makers across all domains—air, land, sea, space, and cyber—into a resilient, disaggregated kill web. This network shares targeting data securely and in real time across joint and coalition forces, reducing the dependency on any single platform and greatly enhancing battlefield awareness. It leverages advanced data links, cloud computing, and AI to provide commanders an unprecedented picture of the battlespace while improving survivability against adversaries.

The retirement also aligns with the US military's strategic pivot toward the Indo-Pacific region, where threats from the Chinese People's Liberation Army Air Force loom large. Chinese advances in stealth fighters like the Chengdu J-20 and standoff weapons directly threaten traditional high-value platforms such as JSTARS. Experts assess that an asset like JSTARS would struggle to survive in a contested environment against these capabilities, making distributed systems like ABMS more viable for future conflicts.

ABMS aims to function as a secure, joint internet for military operations, connecting satellites, drones, aircraft, ships, and soldiers to speed decision-making and reduce latency from sensor detection to weapons employment. Unlike the E-8 JSTARS, which combined sensing and command roles on one aircraft, ABMS separates these functions across multiple nodes, including space-based sensors and AI analytics, increasing resilience if any single element is lost in combat.

The future C2 (command and control) ecosystem includes Cloud One, a secure multi-level cloud infrastructure integrating ISR and operational data from all US service branches. This system supports stealth aircraft targeting adversaries without exposing themselves, while enabling combined joint all-domain command and control (CJADC2) across US forces and allied partners. Programs like the Army's Project Convergence and the Navy's Project Overmatch, along with cooperation from Five Eyes nations, further extend ABMS’s collaborative reach.

While a direct airborne replacement to JSTARS is not planned, concept studies explore future platforms such as the Boom Supersonic Overture airliner fitted as an ABMS node. Flying at Mach 1.7 and 60,000 feet altitude, this platform could rapidly respond to contested zones, extending communications and situational awareness. Its speed and altitude offer tactical advantages over subsonic drones and orbiting satellites, enabling dynamic repositioning to fill ISR gaps.

The transition from the legacy JSTARS to ABMS marks a broader military shift from centralized to disaggregated, networked warfare. This redefines how command and control is executed on the modern battlefield, leveraging advanced computing, AI, and distributed sensing to create a more survivable and adaptable force structure.