These yearly NATO naval maneuvers have been planned for awhile. The timing is just coincidental (as if).

The ships amassed is quite impressive:

The multinational naval force in the Gulf includes three U.S. Nimitz class carrier groups ... The carriers are supported by at least 12 warships, including ballistic missile cruisers, frigates, destroyers, and assault ships carrying thousands of U.S. Marines and special forces.

Some could say this an invasion fleet. However this could just be gunboat diplomacy 21st century style.