clothesofdifferentoccupationsairforcearmynavy1.Formalweareveningwearsemiformalweareveningwear•Appliedtotheveryformaloccasion,statedinners,weddings,graduations,memorialceremonyorbusinessbanquets,etc.semiformalwear•Appliedtothegeneralwedding,celebrationceremony,somehighsocialstatuspeople'sbirthdayparty,high-gradehotels,restaurantsandgatheringdate,etc.2.Casualwear3.FormalBusinessAttire