The United Kingdom is escalating its military backing for Ukraine by moving ahead with a new long-range ballistic missile program, codenamed Project Nightfall, designed to give Kyiv the ability to strike high-value targets deep inside Russian territory and raise the costs of continued aggression. This initiative signals a sharper phase of Western support, as London’s defense planners seek to boost Ukraine’s deterrent power and reshape the battlefield calculus in a war that is steadily intensifying.