As it gears up to fight China in a period of great power competition, the Marine Corps will trim the size of its F-35 Joint Strike Fighter squadrons and cut all tank battalions in the next 10 years. The changes, part of the 2030 force design effort, come as the Marine Corps prepares for a future conflict in the Indo-Pacific after years of conducting combat operations in the Middle East. An outline of the force design plans , released today,...