For as long as nuclear-armed, intercontinental ballistic missiles and submarine-launched ballistic missiles have existed, strategists and engineers have pursued a seductive idea: a shield effective enough to diminish — or even block — a ballistic missile attack.
In June 2026, I visited Khartoum, my hometown, for the first time since the war broke out in Sudan in April 2023. But the growing drone warfare that is spreading over Sudan threatens the return of hopeful Sudanese