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Air Force

F-35 Program: F135 ECU and PTMS ‘Must Be Designed Together’

Frank Wolfe

Wednesday, May 31st, 2023

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F-35 Program: F135 ECU and PTMS ‘Must Be Designed Together’

Two U.S. Air Force F-35A Lightning IIs assigned to the 48th Fighter Wing perform a pass over Royal Air Force Lakenheath, England, on April 16, 2022 (U.S. Air Force Photo)

The F-35 Joint Program Office (JPO) considers the planned Engine Core Upgrade for the Raytheon Technologies' [RTX] Pratt & Whitney F135 engine and a new or upgraded Power and Thermal Management System (PTMS) as a single effort. Honeywell [HON] builds the PTMS as a subcontractor to Lockheed Martin [LMT], the F-35 prime. The PTMS uses air pressure from the engine to cool aircraft subsystems and enables main engine start, emergency power, cockpit conditioning, equipment cooling, and some electrical power. A…

Navy Leaders Downplay Looking At Foreign Navy Shipbuilding Amid Lawmaker Objections

The Navy’s top leaders this week seemed to downplay and back down on the service potentially using foreign shipyards to build U.S. Navy ships or buying foreign designed warships overseas […]

Army

Senate Defense Appropriators See ‘Risk’ With Army’s Reconciliation Plan To Fund Munitions Increase

The Senate’s top defense appropriators cited concern this week with the Army’s request to fund the majority of its large increase to munitions procurement in fiscal year 2027 through the […]

Army

Army Relooking At Its ‘Whole Aviation Transformation’ Plan, Acting Chief Tells Lawmakers

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Army

Lawmakers Request DoD Briefing On Army’s Planned Cuts To Aviation Procurement

A bipartisan group of House lawmakers has sent a letter asking the Pentagon for a briefing on the potential industrial base impacts as a result of the Army’s planned cuts […]