Home Soldiers fire a howitzer. Feb. 20, 2015, at Joint Base Lewis-McChord, Wash. Howitzers are part of the latest security assistance package bound for Ukraine, worth $800 million. (Army Sgt. Steven Peterson) Soldiers fire a howitzer. Feb. 20, 2015, at Joint Base Lewis-McChord, Wash. Howitzers are part of the latest security assistance package bound for Ukraine, worth $800 million. (Army Sgt. Steven Peterson)