Russia will make advances in the "coming period" even though US aid to Ukraine is coming, he said.
"You can't instantly flip the switch," Sullivan said.
Sullivan was speaking at The Financial Times Weekend Festival in Washington on Saturday when he offered his assessment of the Ukraine war.
AdvertisementA counteroffensive, where Ukraine can "move forward to recapture the territory that the Russians have taken from them," will only take place in 2025, Sullivan said.
Advertisement"The severity of this moment cannot be overstated: If we do not continue to support Ukraine, Ukraine could lose," said Cavoli, who is also NATO's Supreme Allied Commander in Europe.
Persons:
Russia isn't, Jake Sullivan, Sullivan, —, didn't, Sullivan's, Christopher Cavoli, Cavoli
Organizations:
Service, The Financial, BI, GOP, US, Armed, Institute for
Locations:
Ukrainian, Russia, Ukraine, Washington, Russian, Europe