Air Force’s Unseen Power Move Stuns Analysts

U.S. Air Force uniform with rank insignia.

With New START now expired and America stuck waiting on the delayed Sentinel replacement, the Air Force just proved the Minuteman III can still deliver multiple reentry vehicles with precision—an unmistakable signal that U.S. deterrence isn’t on pause.

Story Snapshot

The Air Force conducted a successful operational test launch of an unarmed Minuteman III ICBM on March 3, 2026, from Vandenberg Space Force Base in California.
The missile carried two test reentry vehicles to Kwajalein Atoll, collecting data on accuracy, reliability, and performance against defended targets.
Officials said the launch was scheduled years in advance and was not tied to any current world event.
The test highlighted renewed multiple reentry vehicle work after New START restrictions ended in February 2026.
Sentinel program delays are a central reason Minuteman III readiness testing remains critical well beyond its originally planned retirement window.

GT 255 Launch Confirms Multi-Reentry Capability and System Readiness

Air Force Global Strike Command oversaw Glory Trip 255, an operational test launch of an unarmed Minuteman III intercontinental ballistic missile at 11:01 p.m. PST on March 3, 2026. The missile launched from Launch Facility 10 at Vandenberg Space Force Base and carried two test reentry vehicles. The test sent those vehicles thousands of miles to a target area at Kwajalein Atoll in the Marshall Islands to gather performance data.

Air Force leaders emphasized the test’s purpose was technical and operational, not political signaling tied to headlines. Lt. Col. Karrie Wray, who commands the 576th Flight Test Squadron, described the event as a way to assess current performance and improve the readiness of the ICBM force. Gen. Thomas A. Bussiere’s command, Air Force Global Strike Command, also framed the launch as part of a long-running series of evaluations supporting national defense requirements.

Why Two Reentry Vehicles Matters More After New START’s Expiration

Minuteman III entered service in 1970 and was the first U.S. ICBM designed for multiple independently targetable reentry vehicles, but the U.S. later de-MIRVed the force under arms-control limits and completed that change by 2014. With New START expiring in February 2026, the treaty-based cap that effectively kept Minuteman III configured for single warheads is no longer in force, making multi-reentry testing a more consequential technical marker.

Air Force reporting and defense trade coverage describe multi-reentry vehicle tests as uncommon compared with typical single-vehicle test shots, with recent precedents including a three-reentry-vehicle test in 2023 and another multi-vehicle test in November 2024. The March 2026 flight stands out as the first Minuteman III test of 2026 and as a direct demonstration of synchronization across the weapon system—from launch operations to payload performance—under modern evaluation standards focused on precision and reliability.

Sentinel Delays Keep Minuteman III Extensions Front and Center

The Pentagon’s plan to replace Minuteman III with the LGM-35A Sentinel remains under pressure from program delays, including software issues cited in government oversight reporting. Those delays are a major reason the Air Force continues investing time and resources into extending Minuteman III’s viable service life. Air Force statements and related reporting indicate the service has assessed Minuteman III as feasible to operate to 2050, pushing far beyond the earlier expectation of retirement around the mid-2030s.

From a taxpayer and readiness standpoint, the practical question is whether the United States can maintain a credible land-based leg of the nuclear triad while modernization slides right. GT 255 is part of the answer because it collects real-world data about reliability and accuracy, not paper projections. Col. Dustin Harmon, who commands the 377th Test and Evaluation Group, described these tests as vital verification that systems remain ready and capable as the force ages.

What the Data Flow Shows About Oversight and Deterrence Posture

Air Force reporting describes an established pipeline for test data after the flight: the 377th Test and Evaluation Group analyzes results and shares findings with the Department of Defense, the Department of Energy, and U.S. Strategic Command. That matters because deterrence isn’t just about launching a missile; it depends on validated performance, transparent internal review, and confidence across the organizations responsible for warhead stewardship, targeting, and operational employment.

Officials also stressed what the test was not. Air Force statements said the launch was scheduled years in advance and was not a reaction to world events—language clearly aimed at preventing adversaries and the media from mischaracterizing routine readiness work as escalation. With arms-control limits no longer constraining certain configurations and replacement timelines uncertain, the conservative takeaway is straightforward: deterrence requires competence and continuity, and the data coming out of GT 255 is designed to prove both.