APQ-7 radar
... that Luis Alvarez initially called the APQ-7 radar the "EHIB", short for "Every House in Berlin", referring to its planned mission?
... that <a href="./Luis_Walter_Alvarez" id="mwASc" rel="mw:WikiLink" title="Luis Walter Alvarez">Luis Alvarez</a> initially called the <b id="mwASg"><a href="./AN/APQ-7" id="mwASk" rel="mw:WikiLink" title="AN/APQ-7">APQ-7 radar</a></b> the "EHIB", short for "Every House in Berlin", referring to its planned mission?