ut ant ) ▁was ▁instruct ed ▁to ▁develop ▁a ▁shoulder ▁patch ▁for ▁the ▁new ▁arm ored ▁force . ▁G row ▁announced ▁to ▁the ▁brig ade ▁that ▁a ▁contest ▁would ▁be ▁held ▁to ▁design ▁the ▁new ▁Arm ored ▁force ▁patch . ▁A ▁three - day ▁week end ▁pass ▁was ▁awarded ▁to ▁the ▁designer ▁of ▁the ▁winning ▁entry . ▁ ▁Lin th wa ite ▁won ▁the ▁contest : ▁he ▁designed ▁a ▁circular ▁patch , ▁four ▁inches ▁in ▁diam eters , ▁with ▁a ▁solid ▁yellow - g old ▁background ▁to ▁symbol ize ▁the ▁Caval ry ▁her itage . ▁On ▁the ▁face ▁of ▁the ▁patch , ▁he ▁drew ▁a ▁st yl ized ▁black ▁tank ▁track ▁with ▁a ▁drive ▁and ▁id ler ▁s pro ckets ▁to ▁symbol ize ▁mob ility . ▁In ▁the ▁center ▁of ▁the ▁track ▁at ▁a ▁slight ▁diagonal , ▁he ▁placed ▁a ▁single ▁can non ▁bar rel , ▁also ▁in ▁black , ▁to ▁symbol ize ▁fire power . ▁Finally , ▁to ▁symbol ize ▁the ▁striking ▁power ▁of ▁the ▁new ▁arm ored ▁force , ▁he ▁added ▁a ▁diagonal ▁light ning ▁b olt ▁in ▁red , ▁extending ▁across ▁the ▁total ▁design ▁and ▁full ▁diameter ▁of ▁the ▁patch . ▁ ▁In ▁ 1 9 4 0 , ▁Major ▁General ▁Ch aff ee ▁was ▁promoted ▁to ▁lead ▁the ▁newly ▁created ▁Arm or ▁Forces ▁which ▁had ▁evol ved ▁from ▁the ▁old ▁ 7 th ▁Caval ry ▁Brigade ▁and ▁were ▁prepar ing ▁for ▁the ▁lo oming ▁war ▁in ▁Europe . ▁Ch aff ee ▁wanted ▁a ▁patch ▁for ▁this ▁new ▁Arm ored