▁no ▁authority ▁over ▁the ▁" non - reg s ", ▁or ▁civil ian ▁students , ▁a ▁separate ▁Bon fire ▁leadership ▁structure ▁was ▁instit uted . ▁The ▁new ▁leaders ▁were ▁designated ▁with ▁colored ▁hard ▁h ats , ▁or ▁p ots , ▁with ▁the ▁overall ▁leaders ▁known ▁as ▁red p ots . ▁ ▁The ▁first ▁Bon fire ▁built ▁with ▁both ▁Corps ▁and ▁non - reg ▁participation ▁was ▁in ▁ 1 9 6 3 . ▁The ▁stack ▁was ▁scheduled ▁to ▁burn ▁only ▁days ▁after ▁the ▁assass ination ▁of ▁President ▁John ▁F . ▁Kennedy . ▁Out ▁of ▁respect , ▁the ▁students ▁dis m ant led ▁the ▁stack . ▁As ▁Head ▁Y ell ▁Le ader ▁Mike ▁Mar low e ▁explained , ▁" It ▁is ▁the ▁most ▁we ▁have ▁and ▁the ▁least ▁we ▁can ▁give ." ▁ ▁In ▁the ▁following ▁years ▁the ▁structure ▁became ▁more ▁elaborate , ▁and ▁in ▁ 1 9 6 7 ▁the ▁fl ames ▁could ▁be ▁seen ▁ ▁away . ▁In ▁ 1 9 6 9 , ▁the ▁stack ▁of ▁logs ▁set ▁the ▁world ▁record ▁for ▁the ▁height ▁of ▁a ▁bon fire ▁at ▁ ▁tall . ▁Out ▁of ▁concern ▁for ▁the ▁safety ▁of ▁participants ▁and ▁the ▁community , ▁the ▁university ▁limited ▁the ▁size ▁to ▁ ▁tall ▁and ▁ ▁in ▁diameter . ▁As ▁an ▁added ▁pre ca ution , ▁nearby ▁campus ▁buildings ▁were ▁equ ipped ▁with ▁ro o ft op ▁spr ink ler ▁systems . ▁Despite ▁the ▁new ▁height ▁restrictions , ▁in ▁the ▁ 1 9 7 0 s , ▁the ▁Gu in ness ▁Book ▁of ▁Records