Post Trauma Stress Syndrome has two forms, acute and chronic; depending on the interval and duration of stress, since this is a typically reactive psychosocial disorder with vegetative medical symptomatology evoked by acute or chronic stress. The aim of this three cohort comparative study is to compare the position of PTSS between: victims of bombing in Yemen (air strikes only); combined war operations in Ukraine; and combined operations in Syria, and chronic military unrests in Lebanon