http://www.thedrive.com/the-war-zone/22352/mattiss-new-unpredictable-carrier-strike-group-deployment-strategy-has-begun
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America's nuclear supercarriers have historically deployed in a highly predictable and cyclical fashion, with cruises lasting six to nine months that follow predictable routes. In recent years, there has been a bit more flexibility built into the system for surge operations, but a wily and cunning modus operandi it is not. Mattis described the new plan as "dynamic force employment" and claims it is necessary in a new age of great power competition, stating the following to House lawmakers:
Quote"The way you do this is ensure that preparation for great power competition drives not simply a rotational schedule that allows me to tell you, three years from now, which aircraft carrier will be where in the world... When we send them out, it may be for a shorter deployment. There will be three carriers in the South China Sea today, and then, two weeks from now, there's only one there, and two of them are in the Indian Ocean.
They'll be home at the end of a 90-day deployment. They will not have spent eight months at sea, and we are going to have a force more ready to surge and deal with the high-end warfare as a result, without breaking the families, the maintenance cycles — we'll actually enhance the training time."
This is precisely what the Truman Carrier Strike Group just did. USS Harry S. Truman (CVN-75), USS Normandy (CG-60), USS Arleigh Burke (DDG-51) and USS Forrest Sherman (DDG-98) just spent three months in the 5th and 6th Fleets' areas of responsibility, returning to Norfolk on July 21st, 2018. A number of other surface combatants assigned to their strike group have remained deployed on unique tasking.
much more at the link
Being a Marine's Marine, I'm surprised he's not quadrupling the size of the Corps ( guess it wouldn't still be a Corp then, eh? ) and turning the supercarriers into 70,000 ton Assault Ships. ;D
https://www.defensenews.com/naval/2018/05/02/is-secretary-of-defense-mattis-planning-radical-changes-to-how-the-navy-deploys/