USMC Doctrine Changes

What possible advantage is an unmanned LCAC?

They used to talk about using LCACs for obstacle breaching (multiple line charges on the cargo bed, for example). I'd definitely prefer to use an unmanned LCAC for that sort of task.
 

Are “low-observable” stand-in forces realistic? As tactical planners test the concepts of introducing missile platforms, Marines and logistics into an austere base on a foreign-owned island, their understanding of the nature of war creates a list of questions that cannot be ignored. Recall infantry companies or special operations firm-bases in Iraq or Afghanistan as examples of the inevitable mission-creep that will occur.

Local curiosity will turn into human intelligence collection, which will turn into targeting vulnerability. Logistics requirements will demand much more than locally procured rice for chow. Within hours or days, the force protection requirements will grow quickly. The “low-observable” base will soon be surrounded by jersey barriers and Marines will be driving armored convoys to bring water and fuel from the China-owned port facility. Zinni called this the “naked and afraid” strategy.
 
And the service has increasingly relied on technical experts in industry to repair advanced avionics and other parts, but the Marines cannot rely on these contractors to be on hand during a conflict; Marines must be able to repair their own platforms while operating forward.
not even a practical thought

 
US Navy reviews cost-saving design changes before resuming amphib buys
" The U.S. Navy is taking a “strategic pause” from buying amphibious ships."
"More broadly, though, the assessment would question what the sea service needs for “the future amphibious force to maintain its lethality and survivability and sustainability in support of all the range of operations.” Capt. Judd Krier, the amphibious warfare branch head in the expeditionary warfare directorate"

https://www.defensenews.com/naval/2...g-design-changes-before-resuming-amphib-buys/
 

To make contested logistics work smoothly — a complex task that could involve 3D-printed repair parts, drones and machine-learning systems — the Marine Corps says it needs its logistics personnel to be up to the task.


The Corps is exploring having more jack-of-all-trades logistics Marines who can perform multiple tasks as part of a small group of Marines, according to the report. That could mean combining two different military occupational specialties into one.

For instance, the Corps is considering merging the machinist and welder into a single “fabricator” military occupational specialty.

The service also plans to expand its educational offerings in logistics. It has tasked Training and Education Command with examining whether it provides enough coursework on logistics at its professional military education academies, like the Expeditionary Warfare School.


again likely requires older Marines who make full careers even at the lower non-NCO ranks and are competitively compensated equal to civilian machinist and welders.

The Army will have the same distributed units logistics and maintainence issues and should consider merged training/exercises and even resourcing if possible etc.. but the cultures wont let that happen.
 

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