▁only ▁a ▁few ▁feet ▁into ▁the ▁air ▁in ▁a ▁cone - sh aped ▁pattern ▁( while ▁the ▁cas ing ▁itself ▁remained ▁int act ). ▁However , ▁the ▁reduced ▁area ▁of ▁effect ▁of ▁sh rap nel ▁shell s ▁can ▁be ▁explo ited , ▁such ▁as ▁in ▁the ▁cre eping ▁bar rage ▁tact ics ▁of ▁World ▁War ▁I , ▁where ▁sh rap nel ▁shell s ▁were ▁able ▁to ▁be ▁used ▁much ▁closer ▁to ▁friendly ▁inf antry ▁than ▁HE ▁shell s ▁could ▁be ▁ ▁Gallery ▁of ▁images ▁ ▁References ▁ ▁Category : B omb s ▁Category : Ch inese ▁invent ions ▁Category : Ex pl os ive ▁weapons ▁Category : G ren ades ▁Category : G un pow der <0x0A> </s> ▁R ilus ▁D ool ittle ▁( A pril ▁ 1 5 , ▁ 1 9 0 0 ▁– ▁February ▁ 1 1 , ▁ 1 9 8 3 ) ▁was ▁an ▁American ▁long - distance ▁runner . ▁He ▁competed ▁in ▁the ▁men ' s ▁ 5 0 0 0 ▁metres ▁at ▁the ▁ 1 9 2 4 ▁Summer ▁Olympics . ▁ ▁References ▁ ▁Category : 1 9 0 0 ▁birth s ▁Category : 1 9 8 3 ▁death s ▁Category : A th let es ▁( track ▁and ▁field ) ▁at ▁the ▁ 1 9 2 4 ▁Summer ▁Olympics ▁Category : American ▁male ▁long - distance ▁run ners ▁Category : O lymp ic ▁track ▁and ▁field ▁athlet es ▁of ▁the ▁United ▁States ▁Category : Place ▁of ▁birth ▁missing <0x0A> </s> ▁Samuel ▁Black well ▁Ch il