“There is roughly $4.8 billion in restored presidential drawdown authority still available, and there is $1.1 billion in existing resources available to backfill U.S. stocks,” he said. Read also: White House tells Congress U.S. is ‘out of money and nearly out of time’ to avoid ‘kneecap’ to Ukraine Without funding, the U.S. would be unable to provide Ukraine with the critical security assistance needed for its defense. The U.S. could reach a point where it can no longer sustain the current level of security assistance to Ukraine, warned Ryder. Spending decisions will depend on multiple factors,…