Were American weapons on day-to-day alert to be dismantled or otherwise disabled, however, more than a "launch on warning" option would be foreclosed: The deterrent value of the United States' arsenal would be eviscerated since, as a practical matter, it would be politically (if not technically) problematic to restore these weapons to operational status.
The eurozone crisis improved UKIP's standing in the polls and the prime minister had no option but to ignore his own warning not to "bang on about Europe".