J ord an ian ▁Gr ound ▁Forces ") ▁is ▁part ▁of ▁the ▁Jordan ian ▁Ar med ▁Forces ▁( J AF ). ▁It ▁draw s ▁its ▁orig ins ▁from ▁units ▁such ▁as ▁the ▁Arab ▁Leg ion , ▁formed ▁in ▁the ▁British ▁Mand ate ▁of ▁Trans j ord an ▁in ▁the ▁ 1 9 2 0 s . ▁It ▁has ▁seen ▁combat ▁against ▁Israel ▁in ▁ 1 9 4 8 , ▁ 1 9 5 6 , ▁ 1 9 6 7 , ▁and ▁ 1 9 7 3 . ▁The ▁Army ▁also ▁fought ▁the ▁Sy ri ans ▁and ▁the ▁P LO ▁during ▁Black ▁September ▁in ▁ 1 9 7 0 . ▁ ▁Orig ins ▁– ▁ 1 9 2 0 – 1 9 4 7 ▁ ▁On ▁ 1 0 ▁June ▁ 1 9 1 6 , ▁Sher if ▁H uss ien ▁Bin ▁Ali ▁prince ▁of ▁Me cca , ▁officially ▁declared ▁the ▁Great ▁Arab ▁Revol t ▁against ▁the ▁Ott oman ▁Empire ▁to ▁rid ▁Arab ▁nations ▁of ▁the ▁Turkish ▁rule ▁that ▁had ▁last ed ▁about ▁four ▁centuries . ▁ ▁On ▁ 2 1 ▁November ▁ 1 9 2 0 , ▁Prince ▁Abd ul lah ▁Bin ▁Al - H uss ien ▁( l ater ▁King ) ▁arrived ▁at ▁Ma ' an , ▁where ▁he ▁expressed ▁his ▁resolution ▁to ▁drive ▁out ▁the ▁Turkish ▁forces ▁from ▁Sy ria . ▁Later , ▁on ▁ 5 ▁December ▁ 1 9 2 0 , ▁he ▁proc laimed ▁himself ▁as ▁deput y ▁king ▁in ▁Sy ria ▁and ▁appe aled ▁to ▁members ▁of