Lockheed Martin Wins $76.6M Contract for Next-Generation Trident II Nuclear Missile

Military Sentinel, Washington – The U.S. Navy has awarded Lockheed Martin a $76.6 million contract modification to advance design and development on the next-generation Trident II nuclear missile, a critical step toward ensuring allied sea-based deterrence remains operational well into the 2080s.

Announced by the Department of Defense, the modification falls under Strategic Systems Programs (SSP) the command overseeing the nation’s submarine-launched ballistic missile (SLBM) fleet and specifically supports the Trident II D5 Life Extension 2 (D5LE2) modernization initiative.

Contract Scope and Industrial Footprint

The contract modification is funded entirely from fiscal 2026 weapons procurement accounts, with engineering and design activities scheduled to run through September 30, 2030. According to official contract notifications, the award was processed on a sole-source basis after a public posting yielded no competing industry bids.

While Lockheed Martin Space in Titusville, Florida, leads management of the program, execution remains heavily distributed across the defense industrial base:

• Denver, Colorado: 51% of program effort

• Secondary sites: Elkton, Maryland; Montville, New Jersey; Greeneville, Tennessee; and Cape Canaveral, Florida

• Dedicated infrastructure: Lockheed’s upcoming 225,000-square-foot production facility in Titusville (scheduled to open in 2027) alongside a new 130,000-square-foot Navy Engineering Test Facility at Cape Canaveral Space Force Station

This award builds upon earlier funding milestones, including an initial $383 million D5LE2 development award in January 2025 and an $850 million modification finalized in April 2026.

The Backbone of Allied Sea-Based Deterrence

The Trident II D5 forms the survivable underwater leg of the U.S. nuclear triad, deployed aboard U.S. Navy Ohio-class and British Royal Navy Vanguard-class ballistic missile submarines (SSBNs).

First entering operational service in 1990, the weapon underwent its initial life-extension overhaul (D5LE) starting in 2017. The current baseline system boasts formidable technical parameters:

• Launch Weight: ~130,000 lbs (59,000 kg)

• Operational Range: Greater than 4,000 nautical miles (7,400 km)

• Terminal Velocity: Exceeds Mach 20 during atmospheric re-entry

• Guidance: Stellar-aided inertial navigation system

The ongoing D5LE2 upgrade addresses severe component obsolescence, introduces modernized digital avionics, and re-engineers propulsion and guidance packages. The overarching objective is to support continuous deployment until approximately 2084—keeping the underlying architecture viable nearly a century after its initial drafting.

Transition to Next-Generation Submarines

The timing of the D5LE2 program aligns directly with major submarine shipbuilding timelines on both sides of the Atlantic. The upgraded missile is slated to arm the U.S. Navy’s incoming Columbia-class submarines as well as the United Kingdom’s future Dreadnought-class boats, both designed with common missile compartment (CMC) modules.

Even as development of the second life extension progresses, current inventories continue operational verification; the Navy executed four successful unarmed test launches of D5LE missiles from an Ohio-class boat off Florida in late 2025.

Looking ahead, as geopolitical adversaries expand integrated air and missile defense networks, fielding the D5LE2 ensures that sea-based strategic deterrence retains unquestioned retaliatory credibility through the middle of the 21st century and beyond.