The former U.S. supreme allied commander of Europe said Wednesday that he doesn’t believe NATO’s forces are “adequate.”

Retired Gen. Phil Breedlove, speaking at the Center for Strategic and International Studies, predicted a pivot from the NATO summit in Wales two years ago, where allies reassured each other they would stick together, to more of a deterrence posture at the Warsaw summit coming in July, where he expects discussions over building up forces and capabilities to prevent Russia and North Africa threats from coming into Europe.