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Science Archives - Interesting Engineering

NASA-backed Mars helicopter concept pushes rotor speeds past Mach 1

NASA JPL engineers reportedly validated a higher-speed Mars rotor design.
The blade could survive tip speeds around Mach 1.08.
The reported benefit is about 30 percent more lift for future Mars helicopters.

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DT Editorial Team·May 8, 2026·via interestingengineering.com

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Confidence In CH-53K King Stallion Grows Ahead Of First Operational Deployment

CH-53K heads toward its first deployment as the Marine Corps maps a bigger heavy-lift transition

The Marine Corps says the CH-53K is nearing its first operational deployment with the 26th Marine Expeditionary Unit.
Four squadrons now have CH-53Ks, spanning fleet, training, developmental test, and operational test roles.
Annual deliveries are expected to reach 16 aircraft in Fiscal Year 2029, when full-rate production is currently planned.
Marine officials also said they are open to a mine-countermeasures version that could replace the MH-53E.

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DT Editorial Team·May 2, 2026·via twz.com

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Boeing lands Chinook without a pilot at the controls

Boeing demonstrates pilot-free Chinook landing as Army autonomy expands

Boeing said its A2X software autonomously landed a U.S. Army CH-47 Chinook.
Pilots set landing parameters in advance and can still adjust the aircraft in flight.
The company reported more than 150 A2X approaches with average final position error under five feet.
The test aligns with broader Army efforts to field reduced-crew or pilot-optional aircraft.

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DT Editorial Team·Apr 20, 2026·via defensenews.com

More in Military→

Navy explores helicopter sonar that could hunt submarines and mines in one system

The Navy is soliciting a dipping sonar that can support both anti-submarine warfare and airborne mine countermeasures.
The service says earlier efforts showed ASW sonar could detect nearly every naval mine in post-flight analysis.
A successful system could reduce shipboard storage needs and support future replacement helicopters.

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DT Editorial Team·Apr 20, 2026·via defensenews.com

More in Military→

Bell, M1 advance to final phase of Army’s Flight School Next competition - Breaking Defense

Bell and M1 Reach Final Phase in Army Flight School Next Contest

Bell and M1 advanced to Phase IV of the Army’s Flight School Next competition.
Bell is offering the 505 as prime contractor, while M1 is using Robinson’s R-66 as prime.
The program covers aircraft, curriculum, and acquisition design for initial rotary-wing training.

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DT Editorial Team·Apr 7, 2026·via breakingdefense.com

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DT Editorial Team·Mar 12, 2026·4 min read·via newatlas.com

More in Military→

The R66 Turbinetruck

R66 Turbinetruck Ditches the Cockpit for Cargo

Robinson replaces R66 cockpit with cargo bay for autonomous freight delivery
Targets military resupply missions to reduce human risk in combat zones
Leverages existing R66 supply chain and global maintenance network

More in Innovation→