interception of the Rex
... that the May 1938 interception of the Rex was the largest training exercise conducted up to that time by the United States Army Air Corps?
... that the May 1938 <b id="mwBH0"><a href="./Interception_of_the_Rex" id="mwBH4" rel="mw:WikiLink" title="Interception of the Rex">interception of the <i id="mwBH8">Rex</i></a></b> was the largest training exercise conducted up to that time by the <a href="./United_States_Army_Air_Corps" id="mwBIA" rel="mw:WikiLink" title="United States Army Air Corps">United States Army Air Corps</a>?