Ukraine has a narrow window of time to retake more territory ahead of an expected Russian spring offensive, but to do that it needs weapons like armored vehicles.
Christine Lambrecht was a frequent target of criticism, including over German caution on military aid to Ukraine. Chancellor Olaf Scholz had backed her strongly, and may find her hard to replace.
The government has dismissed criticism of its refusal to provide modern tanks to Ukraine and its massive energy subsidy for its own citizens. But its friends are bridling.
The country’s chancellor has pledged about $100 billion to rebuild its army, but that increase in spending may not be enough to reverse years of neglect, experts say.