Devildoc
Verified Military
Back in the 20s and 30s the US Navy had "Fleet Problem," a complex scenario requiring most of the Navy's ships and usually involving scenarios which came to pass (i.e., the use of carriers to strike an enemy carrier beyond the horizon, a la Midway). Admirals King, Nimitz, and Halsey pointed back to the Fleet Problem before WWII, stated those 'war games' were instrumental in the success in the Pacific. The Navy reinstituted the Fleet Problem a couple years ago.
Pacific Fleet reveals ‘prepare to fail’ training for rapid-fire warfare
Pacific Fleet reveals ‘prepare to fail’ training for rapid-fire warfare