M1
...that the 240 mm M1 howitzer , popularly nicknamed the "Black Dragon", was the most powerful weapon deployed by US field artillery units during World War II?
...that the 240<span id="mwAW4" typeof="mw:Entity"> </span><a href="./Millimetre" id="mwAW8" rel="mw:WikiLink" title="Millimetre">mm</a> <b id="mwAXA"><a href="./240_mm_howitzer_M1" id="mwAXE" rel="mw:WikiLink" title="240 mm howitzer M1">M1</a></b> <a href="./Howitzer" id="mwAXI" rel="mw:WikiLink" title="Howitzer">howitzer</a> <i id="mwAXM">(pictured)</i>, popularly nicknamed the "Black Dragon", was the most powerful weapon deployed by <a class="mw-redirect" href="./United_States_Army_Field_Artillery_Corps" id="mwAXQ" rel="mw:WikiLink" title="United States Army Field Artillery Corps">US field artillery</a> units during <a href="./World_War_II" id="mwAXU" rel="mw:WikiLink" title="World War II">World War II</a>?