"The American people are with you every step of the way," President Joe Biden told visiting Ukrainian President Volodymyr Zelensky at a press conference at the White House on Wednesday.Here are five weapons from the latest aid package that will be especially welcome in Ukraine:MIM-104 PatriotThe Patriot surface-to-air missile system is by far the most expensive single item provided to Ukraine since the start of the war, and one of the most advanced.A dumb bomb—which Ukraine and Russian air forces have both largely relied on for strike missions—fitted with a JDAM can hit a target within accuracy 15 feet, and U.S. forces have used the kits on bombs of up to 2,000 pounds.When HARMs first appeared in Ukraine this summer—spotted by open-source intelligence experts and later confirmed by the Pentagon—observers were impressed by the ability of the Ukrainian Air Force to fit the missiles on its Soviet-era fighter jets.Amid the mid-winter freeze, both Ukraine and Russia will be looking to exploit frozen ground to launch fresh mechanized offensives and seize momentum."