▁M 2 4 ▁Ch aff ee ▁Light ▁tank ▁ch ass is ▁and ▁was ▁designated ▁the ▁T 6 5 E 1 . ▁It ▁was ▁accepted ▁into ▁service ▁in ▁May ▁ 1 9 4 4 ▁as ▁the ▁M 1 9 ▁M G MC , ▁equ ipping ▁several ▁U . S . ▁Army ▁anti - air craft ▁units ▁during ▁World ▁War ▁II . ▁The ▁M 1 9 A 1 ▁was ▁an ▁improved ▁variant ▁with ▁an ▁auxili ary ▁engine ▁and ▁spare ▁bar rel s ▁for ▁the ▁ 4 0   mm ▁B of ors ▁guns . ▁ ▁Although ▁all ▁M 1 9 s ▁were ▁produced ▁during ▁World ▁War ▁II , ▁they ▁did ▁not ▁reach ▁oper ational ▁cap ability ▁until ▁after ▁the ▁c ess ation ▁of ▁host ilities . ▁The ▁M 1 9 ’ s ▁first ▁combat ▁was ▁in ▁Korea ▁in ▁ 1 9 5 0 ▁against ▁North ▁Korean ▁forces . ▁ ▁Spec ifications ▁ ▁The ▁M 1 9 ▁M G MC ▁had ▁similar ▁specific ations ▁to ▁the ▁M 2 4 ▁Ch aff ee . ▁It ▁was ▁ 1 7 . 9   ft ▁( 5 . 4 6   m ) ▁long , ▁ 9 . 3 3   ft ▁( 2 . 8 4 5   m ) ▁wide , ▁and ▁ 9 . 8 3   ft ▁( 2 . 9 9 7   m ) ▁high . ▁It ▁had ▁a ▁weight ▁of ▁ 3 8 , 4 9 9   lb ▁( 1 7 , 4 6 3   kg ), ▁and ▁was ▁power