1939-1945 1961-1975 american arab armedforces armedforcesunitednations asia australian buildings campaigns chemical culturalawareness defoliants diplomaticandconsularservice embassybuildings epidemiology europe foreignserviceunitednations history iraqi medicalcare medicine military militarymedicine militaryuniforms nationalcharacteristics pacificarea participation peacefulchange(internationalrelations) politicsandgovernment securitymeasures socialaspects sociallifeandcustoms studyandteaching uniforms vietnamwar worldwar