The legislation was promptly signed by U.S. President Joe Biden, and shortly after, the Pentagon announced the first defense package of $1 billion, containing armored vehicles, artillery shells, air defense missiles, other ammunition, and more. The news was met with jubilation in Ukraine, but more sober voices warned that while this package can help avert the darkest scenario, it is no silver bullet. Previous delays have already done their damage, and some experts believe Ukraine will continue to suffer setbacks for weeks before the aid arrives in full.