Pratt & Whitney Awarded $53.8 Million Navy Order to Refine F135 Fighter Engine

RTX Corp.'s Pratt & Whitney Military Engines received a $53.8 million Navy order for non-recurring engineering on the F135 engine that powers the F-35, work due to finish in December 2028.

First Published: July 27, 2026, 1:20 PM ET

EAST HARTFORD, CONNECTICUT — Pratt & Whitney received a $53.8 million Navy order to refine the engine that powers the F-35 fighter, as the military moves to cut sustainment costs on its costliest aircraft program, as announced on war.gov.

The fixed-price incentive and cost-plus-fixed-fee order, valued at $53,755,700, funds non-recurring engineering on the F135 engine program, according to war.gov. The work targets early identification, development and qualification of corrections to operational issues, and it evaluates component life limits drawn from operational experience.

“The effort continues engine maturation, evaluates component life limits based on operational experience, improves operational readiness, and reduces maintenance and life cycle costs,” the Defense Department said in its contract announcement, describing support for the Air Force, Marine Corps, Navy, F-35 Cooperative Program Partners and Foreign Military Sales customers.

The award matters beyond the flight line because the F-35 is the Pentagon’s most expensive weapons program, and engine reliability drives readiness rates for a fighter flown by the U.S. military and allied air forces worldwide.

RTX Corp., the aerospace and defense company that owns Pratt & Whitney, benefits from a steady stream of sole-source engineering work. Pratt & Whitney, based in East Hartford, Connecticut, ranks as the world’s second-largest commercial aircraft engine maker, with a 35% share as of 2020, according to wikipedia.org. The subsidiary reported revenue of $28 billion in 2024 and employs about 43,000 people, according to wikipedia.org. Taxpayers carry the cost, and the Navy did not compete the contract, a structure that limits price pressure but reflects Pratt & Whitney’s position as the sole F135 supplier.

Work will span seven sites, led by East Hartford, Connecticut, which accounts for 74% of the effort. Middletown, Connecticut, and West Palm Beach, Florida, each hold 7%, followed by Indianapolis, Indiana, at 6% and Windsor Locks, Connecticut, at 3%. Aguadilla, Puerto Rico, carries 2% and North Berwick, Maine, 1%. Naval Air Systems Command in Patuxent River, Maryland, serves as the contracting activity, and the work should finish in December 2028.

The order marks the first contract recorded for Pratt & Whitney Military Engines in 2026 and the first Department of Defense award logged in Connecticut this year, bringing the company’s tracked total to $53.8 million. The award falls between the 2026 Navy portfolio’s year-to-date low of $49.9 million and high of $70 million. It ranked among six Defense Department contracts announced nationwide on July 27, 2026.

For the average reader, the payoff is indirect but real: work meant to reduce maintenance and life cycle costs aims to keep more jets flying while trimming the long-term bill funded by federal taxpayers.

Such engineering awards are not new for Pratt & Whitney. The company has fielded F135 modernization and sustainment orders for years as the Pentagon works to hold down the engine’s operating costs across a growing fleet.

Naval Air Systems Command manages the order, and the next milestone tied to it is completion, expected in December 2028. No further decision date has been announced.

Engine work has anchored Pratt & Whitney’s fortunes since its founding, as happened generations ago. The company completed its first engine, the 425-horsepower R-1340 Wasp, on Christmas Eve in 1925, and the U.S. Navy ordered 200 of them by October 1926 after the design passed qualification testing, according to wikipedia.org. That early Navy embrace turned a Connecticut startup into a mainstay of American military aviation, a role the F135 order extends nearly a century later.

This contract represents the 1st contract awarded to RTX Corp., Pratt and Whitney Military Engines, in 2026, bringing the company’s total contract value for the year to $53,755,700. It is also the 1st Department of Defense contract awarded in Connecticut during 2026. Because this is the first award to RTX Corp., Pratt and Whitney Military Engines recorded in the database, it establishes the company’s initial benchmark within the Navy portfolio. Specifically, it falls between the 2026 Navy portfolio’s year-to-date minimum of $49,900,401 and maximum of $70,000,000. Overall, this award was announced among 6 Department of Defense contracts issued nationwide on July 27, 2026.