 The US Army selected the Schneider design as its first modern large-calibre siege howitzer, to be manufactured in the USA in 240 mm calibre and designated the M1918 240 mm Howitzer.However, this howitzer did not reach production until after the end of the war.The "Mortier de 280 TR Mle 1914 Schneider" was a siege howitzer of conventional design for its time.