sentences:  While the flaws of this plan were not apparent to him, they would create serious problems during his campaign.Firstly, Iran's army having suffered disastrously during the revolution from purges and sanctions was simply unable to carry out proper combined arms operations.Many senior generals and entire swathes of the officer cadre from the shah's era had been lost to purges (either executed, imprisoned, or fled abroad), and the remaining ones were not as well trained, and/or all too happy to embark on an operation to restore their credibility to the eyes of the regime.