4 1 ). ▁The ▁Greek ▁Army ▁did ▁not ▁employ ▁an ▁army - level ▁command ▁in ▁this ▁period . ▁Leo ▁Nie hor ster ' s ▁website ▁shows ▁the ▁higher ▁organisation ▁of ▁the ▁Greek ▁Army ▁on ▁ 1 5 ▁August ▁ 1 9 4 0 , ▁with ▁the ▁General ▁Staff ▁of ▁the ▁Army ▁directly ▁super vis ing ▁five ▁corps , ▁three ▁divisions , ▁and ▁the ▁Th ess al on iki ▁Fort ress . ▁ ▁The ▁First ▁Army ▁was ▁created ▁in ▁March ▁ 1 9 4 7 , ▁during ▁the ▁Greek ▁Civil ▁War . ▁It ▁controlled ▁the ▁II ▁and ▁III ▁Corps , ▁with ▁Vol os ▁as ▁its ▁headquarters . ▁It ▁was ▁abol ished ▁on ▁ 1 0 ▁February ▁ 1 9 4 8 , ▁and ▁re - est ab lished ▁in ▁ 1 9 5 1 ▁with ▁its ▁H Q ▁at ▁Lar issa , ▁where ▁it ▁remains ▁to ▁this ▁day . ▁Its ▁CO ▁is ▁always ▁a ▁lieutenant ▁general . ▁ ▁Str ucture ▁▁▁ ▁First ▁Army ▁( 1 η ▁ Σ τ ρ α τ ι ά ), ▁based ▁at ▁Lar issa , ▁Th ess aly ▁which ▁includes ▁ ▁IV ▁Army ▁Corps ▁( Δ ' ▁ Σ ώ μ α ▁ Σ τ ρ α τ ο ύ ▁- ▁ Δ ' ▁ Σ Σ ), ▁based ▁at ▁X anth i , ▁Th race ▁ ▁I ▁Infantry ▁Division ▁( I ▁ Μ Π ), ▁based ▁at ▁V ero ia , ▁Mac ed onia ▁ ▁II ▁Mechan ised ▁Infantry ▁Division ▁( II ▁ Μ / Κ ▁ Μ