Hello Girls
... that the Hello Girls, female switchboard operators in World War I, were part of the U.S. Army Signal Corps?
... that the <b id="mwGLc"><a href="./Hello_Girls" id="mwGLg" rel="mw:WikiLink" title="Hello Girls">Hello Girls</a></b>, female <a href="./Telephone_switchboard" id="mwGLk" rel="mw:WikiLink" title="Telephone switchboard">switchboard</a> operators in <a href="./World_War_I" id="mwGLo" rel="mw:WikiLink" title="World War I">World War I</a>, were part of the <a class="mw-redirect" href="./U.S._Army_Signal_Corps" id="mwGLs" rel="mw:WikiLink" title="U.S. Army Signal Corps">U.S. Army Signal Corps</a>?