Sigma II-65 war game
... that the Sigma II-65 war game was held although four prior Sigma games foresaw that escalating the Vietnam War would lead to more U.S. casualties?
... that the <b id="mwBEc"><a href="./Sigma_II-65_war_game" id="mwBEg" rel="mw:WikiLink" title="Sigma II-65 war game">Sigma II-65 war game</a></b> was held although four prior Sigma games foresaw that escalating the <a href="./Vietnam_War" id="mwBEk" rel="mw:WikiLink" title="Vietnam War">Vietnam War</a> would lead to more U.S. casualties?