▁in ▁the ▁Texas ▁Military ▁Forces : ▁▁ ▁Tex ian ▁Milit ia , ▁ 1 8 2 3 - 1 8 3 5 ▁( Col on ist ▁era ), ▁ 1 8 3 5 - 1 8 3 6 ▁( Tex as ▁Revolution ) ▁ ▁Texas ▁Milit ia , ▁ 1 8 3 6 - 1 8 4 5 ▁( Rep ublic ▁era ), ▁ 1 8 4 5 - 1 8 6 1 ▁( Front ier ▁era ) ▁ ▁Texas ▁Home ▁Guard / State ▁Tro ops , ▁ 1 8 6 1 - 6 5 ▁( American ▁Civil ▁War ) ▁ ▁Texas ▁Vol unte er ▁Guard , ▁ 1 8 7 1 - 1 9 0 4 ▁( Re const ruction ▁era ) ▁ ▁Following ▁the ▁Milit ia ▁Act ▁of ▁ 1 9 0 3 , ▁the ▁Texas ▁Milit ia ▁was ▁divided ▁into ▁separate ▁forces : ▁▁ ▁The ▁Texas ▁Army ▁National ▁Guard ▁and ▁Texas ▁Air ▁National ▁Guard , ▁subject ▁to ▁Title ▁ 3 2 ▁and ▁Title ▁ 1 0 ▁of ▁the ▁United ▁States ▁Code ▁which ▁leg ally ▁emp ow ers ▁the ▁United ▁States ▁government ▁to ▁mobil ize ▁it ▁when ▁more ▁resources ▁are ▁needed ▁than ▁available ▁in ▁the ▁United ▁States ▁Ar med ▁Forces ▁for ▁war , ▁national ▁emer gency , ▁or ▁national ▁security . ▁ ▁The ▁Texas ▁State ▁Guard , ▁only ▁subject ▁to ▁Title ▁ 3 2 ▁of ▁the ▁United ▁States ▁Code ▁which ▁leg ally ▁emp ow ers ▁individual ▁states ▁to ▁maintain ▁military ▁forces . ▁ ▁Since ▁ 1 9 0 3 , ▁the