The British government has announced the start of the project Nightfall to develop a new deep-strike ballistic missile to help Ukraine in the war against Russia. The Nightfall project is a competition to rapidly develop a ground-launched ballistic missile.

Ukraine’s forces said this week they had almost pushed back Russian forces from the northeastern city of Kupiansk, a dramatic reversal in a town that seemed on the brink of being overrun a few months ...

Firing an Oreshnik comes with logistical headaches.