Eric Walker added Self-propelled artillery - Wikipedia to Self-propelled howitzers and Self-propelled artillery

Eric Walker added Self-propelled howitzers and Self-propelled artillery - Wikipedia to Self-propelled artillery, and added Self-propelled artillery to Artillery

Eric Walker added a number of topics and Self-propelled artillery - Wikipedia and The Army Wants Longer Barreled Howitzers To Fire Ramjet-Powered And Other Special Shells to Self-propelled howitzers, and added Self-propelled howitzers to Howitzers and Self-propelled artillery

Eric Walker added a number of topics and a number of links to Artillery, and added Artillery to Long-range fires