“…The constraints associated with the assessment and evaluation of threats to come up with optimum solution, exist within the framework of available resources, technological advancement and impending uncertainties (Azimirad and Haddadnia, 2015;Erlandsson and Niklasson, 2014). To suggest an appropriate approach, many researchers have studied threat assessment (Azimirad and Haddadnia, 2015;Wu and Ye, 2014;Riveiro et al, 2014;Dongfeng et al, 2012;Oxenham, 2003;Nguyen, 2002;Liebhaber and Feher, 2002;Roy et al, 2002), however, the decision making while assessing the aerial threat and assigning the most effective weapon is still an open issue. Threat evaluation and weapon assignment (TEWA) is an intricate system whose verdicts are based on numerous factors and cannot be demarcated as a separate model; they are interwoven with each other.…”