The finalized Lot 18 and 19 contracts for the F-35’s F135 engines have been delayed six months to early 2026, the Joint Program Office told Air & Space Forces Magazine. It did not elaborate on what’s causing the delay or whether it would affect production ...
Pratt & Whitney
While Air Force leaders are still refining concepts for the next increment of Collaborative Combat Aircraft, competition to produce compact, low-cost engines for those aircraft is already heating up.
RTX's Pratt and Whitney is developing a new class of engines to power everything from loitering munitions and cruise missiles to Collaborative Combat Aircraft. The new “scalable” family of engines has not been named yet.
The Pentagon and contractor Pratt & Whitney reached a $2.88 billion deal for new F-35 engines, the Defense Department announced Aug. 22. The deal covers 141 F135 engines included in Lot 18 of the F-35 program, putting the average price of each engine around $20.4 ...
As futuristic aviation programs gain priority, the F-35—the only in-production, fifth-generation American fighter—is facing new headwinds. Fresh debate over its challenges and its potential in the coming months will shape its future role in the force. The House’s $150 billion...
As futuristic aviation programs gain priority, the F-35—the only in-production, fifth-generation American fighter—is facing new headwinds. Fresh debate over its challenges and its potential in the coming months will shape its future role in the force.
The unit price for the latest lot of the F-35 fighter will come in below the rate of inflation, Lockheed Martin’s manager for the program said March 3. The disclosure came on the same day Lockheed and Pratt & Whitney announced that the F-35 and ...
Engines from GE Aerospace and RTX’s Pratt & Whitney have cleared the Air Force’s “Detailed Design Reviews” for the Next-Generation Adaptive Propulsion program, paving the way for the engine-makers to build prototype ground demonstrators, the two companies announced separately. The...
RTX's Pratt & Whitney got a $1.5 billion Air Force contract for three more years of sustainment of the F119 engine, which powers the F-22 Raptor. The company is also looking at capability upgrades for the engine, should they be needed.
GE Aerospace and Pratt & Whitney received matching $3.5 billion contracts to prototype their versions of the Next-Generation Adaptive Propulsion engine this week, and the CEO of Pratt’s parent company, RTX, said things are looking up for the military engine business, even if the platform ...
Contracts for F-35 airframes in Lot 18 and 19 should be signed in the spring, but an engine deal is still not in hand and could take months longer. The delays don't seem to be driven by anticipation of how the new Trump administration will ...
A collection of quotes on airpower, space power, and national security issues.
