Sometime in the fiscal year that begins October 2027, the Missile Defense Agency plans to launch an interceptor at a live hypersonic weapon screaming up the Eastern Seaboard at more than five times the speed of sound. If the shot connects, it will be the first time any country has publicly demonstrated the ability to kill a maneuvering hypersonic glide vehicle in flight. If it misses, the test will still generate data the Pentagon considers essential to closing what officials describe as the most dangerous gap in American homeland defense.
The effort, identified in official budget documents as Project Maverick, appears across several line items in the FY2027 defense budget request published by the Office of the Under Secretary of Defense (Comptroller). For the roughly 120 million people who live between Washington, D.C., and Boston, the program represents the first concrete step toward a shield against weapons that current missile defenses were never designed to stop.
What the budget documents actually say
The Missile Defense Agency’s research, development, test, and evaluation justification volumes for FY2027 lay out a test campaign that pairs a live hypersonic target vehicle with an interceptor configured for what the Pentagon calls “glide-phase engagement.” The justification books, organized by program element, describe investments in upgraded tracking radars, command-and-control nodes, data-fusion algorithms, and flight-safety systems tailored to hypersonic flight profiles. Together, those elements outline an East Coast range architecture built to support a single, high-stakes intercept window.
During a May 2025 press briefing on the administration’s defense spending priorities, Jay Hurst and Lt. Gen. Steven Whitney placed homeland-focused missile defense at the top of the FY2027 request. In the official transcript, the officials tied new spending directly to countering advanced missile threats, including hypersonic systems, and pointed to budget exhibits that fund the interceptor test infrastructure Maverick would use.
The test concept also builds on a broadening hypersonic experimentation pipeline. Stratolaunch’s Talon-A vehicle, a reusable hypersonic testbed designed to be launched from a carrier aircraft, completed its first powered flight in 2024 and is intended to give engineers a way to generate realistic threat profiles repeatedly without manufacturing a new airframe for every shot. That kind of target availability is critical for a credible intercept program, where a single miss could mean waiting months for another opportunity.
Why glide-phase intercept is so difficult
A traditional ballistic missile follows a predictable parabolic arc. Once radar tracks its boost phase, defenders can calculate where the warhead will be minutes later and place an interceptor in its path. A hypersonic glide vehicle breaks that math. After separating from its booster, it dives into the upper atmosphere and rides its own aerodynamic lift at speeds above Mach 5, roughly one mile every second, while maneuvering laterally in ways that make its trajectory nearly impossible to predict.
The Congressional Research Service, in its standing report on the Navy Aegis Ballistic Missile Defense program, explains the distinction in detail: current Aegis interceptors are optimized for midcourse and terminal engagements against ballistic reentry vehicles, not for the sustained tracking and late-stage guidance corrections required to hit a gliding target that can change course mid-flight. That gap is precisely what the Glide Phase Interceptor, or GPI, is designed to fill.
RTX (formerly Raytheon) won the GPI development contract in 2023, beating Northrop Grumman and Lockheed Martin for the program. The interceptor is being designed to launch from existing Aegis-equipped Navy destroyers and cruisers, which would give the Pentagon a mobile, sea-based layer of hypersonic defense without waiting for new ground-based sites to be built. A successful Project Maverick test would validate the core engagement concept and move GPI closer to production decisions.
Why the East Coast matters
Most U.S. missile defense testing has historically taken place over the Pacific, using ranges near Hawaii, the Marshall Islands, and Kodiak, Alaska. Shifting an intercept attempt to the Atlantic is not just a logistical choice. It introduces different sensor geometries, different radar baselines, and a flight corridor that more closely mirrors threat axes from adversaries capable of launching hypersonic weapons across polar or transatlantic routes.
Russia’s Avangard glide vehicle, declared operational in December 2019, is designed to approach from over the North Pole. China’s DF-ZF, tested repeatedly since 2014, could reach the continental United States on trajectories that arc across the Pacific or, in some scenarios modeled by defense analysts, over the Arctic and down the Atlantic seaboard. An East Coast test forces the sensor and interceptor architecture to prove itself against geometries that matter for real-world defense of the most densely populated stretch of the country.
The geographic choice also signals potential future basing decisions. If the test succeeds, follow-on deployments of GPI-capable ships or shore-based interceptor batteries would logically concentrate along the Atlantic corridor, protecting not just population centers but critical military installations, government continuity sites, and economic infrastructure clustered between Virginia and New England.
What remains uncertain
The MDA justification volumes have not been fully parsed in public reporting to reveal exact Project Maverick funding breakdowns. Without those figures, it is difficult to gauge how much of the FY2027 MDA budget feeds the intercept attempt versus broader hypersonic defense research. Granular cost estimates remain dependent on secondary summaries rather than confirmed line-item totals.
No direct public statements from MDA leadership have addressed the specific risks of conducting a live hypersonic intercept off the East Coast: safety corridors, overflight restrictions, criteria for declaring success or failure. Open questions include whether the test will involve a single interceptor shot or multiple attempts, whether the target will follow a scripted trajectory or incorporate evasive maneuvers, and what mix of space-based, airborne, and ground-based sensors will feed the engagement.
It is also unclear how quickly a successful test would translate into operational capability. A single intercept demonstration, even a clean kill, would not by itself constitute a deployable defense. Production decisions, fleet integration timelines, and the scaling of sensor networks all sit downstream of the test and could take years to execute. The path from one successful shot to a reliable shield remains long and expensive.
Finally, the public record does not specify whether allied sensors, data links, or test infrastructure will play a role. Budget materials discuss international cooperation in broad terms, but the inaugural intercept appears to be a primarily U.S.-run event, with any allied integration likely occurring in parallel exercises or follow-on demonstrations.
What a single shot could change
For two decades, the United States has watched Russia and China develop, test, and in some cases field hypersonic strike weapons while American defenses remained oriented toward older ballistic threats. Project Maverick does not erase that gap overnight. But a live intercept attempt, conducted under realistic conditions against a maneuvering target at operationally relevant speeds, would represent the most significant shift in U.S. missile defense posture since the Ground-based Midcourse Defense system achieved its first successful intercept in 1999.
The strongest evidence from primary budget documents and the official press briefing transcript confirms that the administration has placed hypersonic homeland defense among its top priorities and that MDA justification volumes contain Project Maverick planning. Significant details, including funding allocations, precise test geometries, and post-shot acquisition plans, remain either classified or unaddressed in public-facing materials. That absence does not contradict the program’s existence or its East Coast focus, but it means outside observers should be cautious about extrapolating timelines or inferring operational readiness from a single planned event.
What is clear is that the Pentagon is no longer content to study the hypersonic threat from a distance. Sometime next year, over the waters of the Atlantic, it intends to take its first shot.
More from Morning Overview
*This article was researched with the help of AI, with human editors creating the final content.
