Sigma I-64 war game
... that the Sigma I-64 war game held in April 1964 predicted that the U.S. could put 500,000 troops into Vietnam and still lose?
... that the <b id="mw1w"><a href="./Sigma_I-64_war_game" id="mw2A" rel="mw:WikiLink" title="Sigma I-64 war game">Sigma I-64 war game</a></b> held in April 1964 predicted that the U.S. could put 500,000 troops into <a href="./Vietnam" id="mw2Q" rel="mw:WikiLink" title="Vietnam">Vietnam</a> and still lose?