Commander-in-Chief's Guard
... that the U.S. Army's Commander-in-Chief's Guard is equipped with muskets built from a 1722 design?
... that the <a href="./United_States_Army" id="mwAaQ" rel="mw:WikiLink" title="United States Army">U.S. Army</a>'s <b id="mwAaU"><a href="./Commander-in-Chief's_Guard_(3rd_Infantry_Regiment)" id="mwAaY" rel="mw:WikiLink" title="Commander-in-Chief's Guard (3rd Infantry Regiment)">Commander-in-Chief's Guard</a></b> is equipped with <a href="./Musket" id="mwAac" rel="mw:WikiLink" title="Musket">muskets</a> built from a 1722 design?