TY - BOOK AU - BAILEY Jonathan TI - Field artillery - enduring importance and future challenges PY - 2005/// KW - ARTILLERY N2 - For millennia warfare was a matter of two dimensional linear enccounter and field artillery almost always fired parallel to the ground. By the early 20th century the adoption of indirect fire enabled artillery anywhere in the area of operations of one side to engage any target any where in the area of operations of its opponent ER -