U.S. forces haven’t decisively won a ground war since WWII.
How could matching capabilities 77 years ago now enhance national security? By noting that the modern-day firepower- and technology-driven U.S. military no longer relies upon separate fireteam maneuvers. So, neither it--nor any foreign Army it trains--can quickly advance through severely broken terrain.
It no longer has any way of handling all that compartmentalization.
Peleliu Progress (from the author of The Last Hundred Yards) reveals what GIs learned the hard way on Peleliu that allowed their parent services to win the final WWII battle at Okinawa.