The smaller nuclear weapons become, the more likely they are to be used in areas of conflict such as Iraq
'Usable' nukes
In the past five years the US military has developed an aggressive new nuclear doctrine: military documents such as 2002's Nuclear Posture Review and the 2005 Pentagon paper Doctrine for Joint Nuclear Operations revealed that that nukes may be used as 'weapons of first resort' as well as being integrated with conventional forces.
