KyivPatriot deliveries have halved since 2023, Zelenskyy said.
A fourth winter of strikes turns on whether allies refill that gap in time.
Interceptors are consumable, one missile per drone, and European production runs far below what strikes now expend.
The Britain-France-Germany coalition weighs Ukraine’s request for at least 300 more before winter.
Sources: Bloomberg Business, South China Morning Post, Al Jazeera Online