What is currently happening to the size of infantry within the USMC?

The correct answer reflects the ongoing trend of downsizing the size of infantry within the USMC, which has been influenced by strategic shifts in military operations and budgetary constraints. As the U.S. Marine Corps adapts its force structure, there has been a move towards more technology-intensive warfare and increasing reliance on specialized units, which can operate in various environments with advanced capabilities. This shift often results in a smaller, but more versatile infantry force that can effectively support the changing dynamics of modern combat.

Additionally, recent years have seen adjustments in overall troop levels, driven by a combination of operational needs and resource allocation focused on developing more agile and responsive forces, rather than simply maintaining large infantry units. This trend indicates a deliberate restructuring aimed at maximizing efficiency and effectiveness in various mission scenarios.