US war-gamed with Ukraine ahead of counteroffensive and encouraged more limited mission.In the buildup to the current Ukrainian counteroffensive, the United States urged Kyiv to keep the operation limited in both its objectives and its geography to avoid getting overextended and bogged down on multiple fronts, multiple US and western officials and Ukrainian sources tell CNN. -snip- The Ukrainians were initially considering a broader counteroffensive, but narrowed their mission to the south, in the Kherson region, in recent weeks, US and Ukrainian officials said.