With this money [which is still pending in Congress] Ukraine will be able to fight back in the east, but it will also be able to accelerate the asymmetric warfare that has been most effective on the battlefield. And as I said in Kyiv three weeks ago, this supplemental funding will ensure Putin faces some nasty surprises on the battlefield this year.
https://www.csis.org/analysis/under-secretary-state-victoria-nuland-two-year-anniversary-russias-full-scale-invasion