Inside NATO's 'Sentry' missions and the urgent drive to ready for new threats

Fuente: Business Insider

A British Voyager tanker aircraft refuels fighter jets during a November 2025 mission in support of Eastern Sentry. Jake Epstein/Business InsiderNATO has rolled out three "Sentry" missions across Europe and the Arctic since early 2025. They follow warnings about inadequate defenses and reflect a push to prepare for new threats.