sentence: Howitzers fire a heavy shell in a high-trajectory from a short barrel.
sentences_before: Howitzers' are one of two main types of field artillery, the other being the field gun.
sentences_after: They have a short range, but they are slightly more mobile than similar size field guns. Since World War II howitzers have gained longer barrels and increased range to become gun-howitzers.
concept_name: howitzer
headings: List of howitzers
categories: Lists of weapons