Our roundup of the main aerospace and defense stories making the news this week.

NASA has quietly removed a Lockheed SR-71A from public display.

Honeywell’s TPE331 turboprop appears to be emerging as the engine of choice for aircraft that could eventually replace the USAF’s GA-ASI MQ-9s.

Dassault Aviation has signed an agreement with Portuguese industry as it joins its competitors in bidding to replace Lisbon’s F-16 fighter fleet.

Bell Boeing MV-22B Ospreys are being prepared by the U.S. Marine Corps for a potential new role as submarine hunters.

The U.S. Navy plans to start fielding a new precision landing mode for its Northrop Grumman E-2D fleet in 2027.

Portuguese uncrewed aircraft systems (UAS) manufacturer Tekever is on the hunt for new acquisitions after securing $580 million in direct investments.

The Australian Army has retired its Airbus Tiger Armed Reconnaissance Helicopters, ending nearly 20 years of service marked by persistent reliability challenges.