In a clear night sky above the shores of Odesa, Ukraine, the faint glow from missiles streaks over the Black Sea.

For much of the war, it was one-way traffic, with Russia using the occupied Crimean Peninsula first as a launchpad for its full-scale invasion and then as a staging ground for routine aerial bombardments.

Ukraine, now armed with U.S.-made precision missiles, is for the first time capable of reaching every corner of Crimea — and the missiles are increasingly flying in both directions.