▁Category : C rypt ographic ▁protocol s ▁Category : Sp am ▁filtering ▁Category : Email ▁authentication <0x0A> </s> ▁Major ▁General ▁Harry ▁John ▁Collins ▁( Dec ember ▁ 7 , ▁ 1 8 9 5 ▁– ▁March ▁ 8 , ▁ 1 9 6 3 ) ▁was ▁a ▁decor ated ▁senior ▁United ▁States ▁Army ▁officer ▁who ▁commanded ▁the ▁ 4 2 nd ▁" R ain bow " ▁Infantry ▁Division ▁during ▁World ▁War ▁II . ▁ ▁Biography ▁ ▁Early ▁life ▁and ▁military ▁career ▁Collins ▁was ▁born ▁on ▁December ▁ 7 , ▁ 1 8 9 5 , ▁in ▁Chicago , ▁Illinois . ▁He ▁graduated ▁from ▁the ▁Western ▁Military ▁Academy ▁in ▁ 1 9 1 5 ▁and ▁attended ▁the ▁University ▁of ▁Chicago ▁before ▁leaving ▁in ▁ 1 9 1 7 ▁to ▁join ▁the ▁United ▁States ▁Army , ▁after ▁the ▁American ▁entry ▁into ▁World ▁War ▁I . ▁ ▁Collins ▁completed ▁the ▁course ▁at ▁the ▁Officer ▁Training ▁Camp ▁in ▁Little ▁Rock , ▁Ark ansas , ▁in ▁ 1 9 1 7 , ▁received ▁his ▁commission ▁as ▁a ▁second ▁lieutenant ▁in ▁the ▁Infantry ▁Branch , ▁and ▁was ▁assigned ▁to ▁the ▁ 3 rd ▁Infantry ▁Regiment . ▁ ▁Collins ▁served ▁with ▁the ▁ 3 rd ▁Infantry ▁on ▁the ▁Mexican ▁Border ▁at ▁E agle ▁Pass , ▁Texas , ▁at ▁the ▁end ▁of ▁the ▁Pan cho ▁Villa ▁Ex ped ition ▁and ▁during ▁World ▁War ▁I . ▁ ▁Between ▁the ▁wars ▁Collins ▁remained ▁with ▁the ▁ 3 rd ▁Infantry , ▁including ▁assign ments ▁at ▁Camp ▁Sh erman , ▁Ohio , ▁and ▁Fort ▁Sn