One map includes a "mud-frozen ground timeline", assessing ground conditions across eastern Ukraine as spring progresses.
After a winter that has tested Ukraine's air defences to the limit, there's also a sobering analysis of Kyiv's diminishing air defence capability, as it seeks to balance its limited resources to protect civilians, critical infrastructure and its frontline troops.
Not only do the leaked documents say a lot about the state of Ukraine's military - they also talk about some of Washington's other allies. From Israel to South Korea, the documents reveal internal debates those countries are having about Ukraine and other sensitive issues.