0 0 ▁Days " ▁campaign , ▁in ▁which ▁it ▁promised ▁to ▁" be come ▁a ▁little ▁bit ▁better ▁every ▁day ". ▁ ▁Tur mo il ▁ ▁In ▁ 1 9 7 5 , ▁Eastern ▁was ▁head qu arter ed ▁at ▁ 1 0 ▁Rock ef eller ▁Pla za ▁in ▁New ▁York ▁City . ▁After ▁Frank ▁B orm an ▁became ▁president ▁of ▁Eastern ▁Air ▁L ines ▁in ▁late ▁ 1 9 7 5 , ▁he ▁moved ▁Eastern ' s ▁headquarters ▁from ▁Rock ef eller ▁Center ▁to ▁Miami - D ade ▁County , ▁Florida . ▁ ▁Eastern ' s ▁massive ▁Atlanta ▁hub ▁was ▁in ▁direct ▁competition ▁with ▁D elta ▁Air ▁L ines , ▁where ▁the ▁two ▁carri ers ▁competed ▁heavily ▁to ▁neither ' s ▁benefit . ▁D elta ' s ▁less - union ized ▁work ▁force ▁and ▁slowly ▁expand ing ▁international ▁route ▁network ▁helped ▁lead ▁it ▁through ▁the ▁tur bul ent ▁period ▁following ▁der eg ulation ▁in ▁ 1 9 7 8 . ▁ ▁In ▁ 1 9 8 0 , ▁a ▁Car ib bean ▁hub ▁was ▁started ▁at ▁Luis ▁Mu ñ oz ▁Mar ín ▁International ▁Airport ▁( known ▁at ▁the ▁time ▁as ▁" Is la ▁Ver de ▁International ▁Airport ") ▁near ▁San ▁Juan , ▁Puerto ▁Rico . ▁In ▁ 1 9 8 2 , ▁Eastern ▁acquired ▁Bran iff ' s ▁South ▁American ▁route ▁network . ▁By ▁ 1 9 8 5 , ▁Eastern ▁was ▁the ▁largest ▁I ATA ▁air line ▁in ▁terms ▁of ▁passengers ▁and ▁operated ▁in ▁ 2 6 ▁countries ▁on ▁three ▁contin