Ukraine's allies are finally sending the advanced tanks it asked for. Now they want it to embrace a rapid, aggressive style of warfare.

• Ukraine's allies have agreed to send it advanced tanks after months of indecision.
• They also want it to swap its fighting style to one of swift attacks against Russia, per CNN.
• Ukraine expects a big offensive from Russia in the spring, and demanded the weapons to fight back.

Ukraine's allies have finally agreed to send it advanced tanks, after months of indecision, but now want Ukraine to start fighting differently.