▁American ▁part ▁of ▁the ▁city ▁and ▁county , ▁and ▁is ▁also ▁the ▁area ▁that ▁consists ▁of ▁a ▁large ▁amount ▁of ▁Morgan ▁State ▁University ▁students . ▁The ▁zip ▁codes ▁assigned ▁to ▁this ▁area ▁are ▁ 2 1 2 1 8 , ▁ 2 1 2 3 9 , ▁ 2 1 2 8 6 , ▁ 2 1 2 8 4 , and ▁ 2 1 2 3 4 , ▁which ▁is ▁also ▁a ▁Park ville ▁zip ▁code . ▁ ▁External ▁links ▁ ▁Home T own ▁Loc ator ▁Google M aps ▁ ▁Category : Un in cor por ated ▁communities ▁in ▁Baltimore ▁County , ▁Maryland ▁Category : Un in cor por ated ▁communities ▁in ▁Maryland <0x0A> </s> ▁In ▁the ▁armed ▁services , ▁a ▁military ▁cad ence ▁or ▁cad ence ▁call ▁is ▁a ▁traditional ▁call - and - response ▁work ▁song ▁s ung ▁by ▁military ▁personnel ▁while ▁running ▁or ▁march ing . ▁In ▁the ▁United ▁States , ▁these ▁cad ences ▁are ▁sometimes ▁called ▁j ody ▁calls ▁or ▁j od ies , ▁after ▁J ody , ▁a ▁rec urr ing ▁character ▁who ▁figures ▁in ▁some ▁traditional ▁cad ences ; ▁J ody ▁refers ▁to ▁the ▁man ▁with ▁whom ▁a ▁serv ic eman ' s ▁wife / g irl friend ▁che ats , ▁while ▁they ▁are ▁deployed . ▁ ▁Re qu iring ▁no ▁instruments ▁to ▁play , ▁they ▁are ▁counter parts ▁in ▁or al ▁military ▁fol kl ore ▁of ▁the ▁military ▁march . ▁As ▁a ▁sort ▁of ▁work ▁song , ▁military ▁cad ences ▁take ▁their ▁rh yth ms