▁side ▁of ▁the ▁bad ge .) ▁The ▁bad ges ▁are ▁silver , ▁or ▁chrome ▁pl ated ▁steel ▁for ▁all ▁ranks ▁below ▁Serge ant , ▁and ▁for ▁Serge ant ▁and ▁above , ▁the ▁star ▁is ▁gold ▁pl ated . ▁ ▁Tro op ers ▁are ▁issued ▁a ▁G lock ▁ 2 2 ▁. 4 0 ▁S & W ▁side arm . ▁ ▁Rank ▁ins ign ia ▁ ▁I SP ▁awards , ▁comm end ations , ▁cit ations ▁and ▁med als ▁▁▁ ▁Medal ▁for ▁Val or ▁ ▁Medal ▁of ▁Honor ▁ ▁Ach iev ement ▁Medal ▁ ▁Pur ple ▁Heart ▁ ▁L if es aving ▁Medal ▁ ▁Mer itor ious ▁Service ▁Medal ▁ ▁Officer ▁of ▁the ▁Year ▁ ▁Department ▁Special ▁Award ▁ ▁Department ▁Comm end ation ▁ ▁Department ▁Unit ▁C itation ▁ ▁Problem ▁Sol ving ▁Rib bon ▁ ▁Department ▁Service ▁Rib bon ▁ ▁Cert ificate ▁of ▁Rec ogn ition ▁ ▁A ircraft ▁The ▁Illinois ▁State ▁Police ▁have ▁six ▁aircraft ▁used ▁for ▁law ▁enfor cement ▁throughout ▁the ▁state , ▁one ▁C ess na ▁ 4 2 1 C ▁and ▁five ▁C ess na ▁ 1 8 2 . ▁These ▁aircraft ▁are ▁station ed ▁at ▁four ▁air ports , ▁Abraham ▁Lincoln ▁Capital ▁Airport , ▁Du Page ▁Airport , ▁Mid America ▁St . ▁Louis ▁Airport ▁and ▁Wh ites ide ▁County ▁Airport . ▁I SP ▁has ▁used ▁aircraft ▁for ▁speed ▁enfor cement , ▁using ▁stop ▁watch ▁time ▁measurement , ▁since ▁ 1 9 5 9 . ▁According ▁to ▁the ▁F AA , ▁aircraft ▁registered ▁to ▁I SP ▁include ▁a ▁C ess