▁brackets , ▁comprom ising ▁the ▁Ke v lar ▁hel met ' s ▁protect ive ▁ability ▁if ▁not ▁done ▁precisely . ▁I ne v it ably , ▁operators ▁suffered ▁injury ▁and ▁death s ▁due ▁to ▁taking ▁their ▁wh olly ▁un su ited ▁pl astic ▁hel m ets ▁into ▁the ▁unf org iving ▁environment ▁of ▁close - quarters ▁war fare , ▁especially ▁the ▁ 1 9 9 3 ▁Battle ▁of ▁M og ad ish u ▁where ▁at ▁least ▁one ▁special ▁forces ▁operator ▁( e ither ▁S FC ▁Sh ugh art ▁or ▁MS GT ▁Gordon ) ▁was ▁supposed ly ▁killed ▁by ▁a ▁rif le ▁shot ▁to ▁the ▁head . ▁While ▁no ▁ball istic ▁hel met ▁of ▁the ▁time ▁( or ▁even ▁the ▁present ▁time ) ▁could ▁protect ▁from ▁rif le ▁fire ▁in ▁close - quarters ▁combat , ▁it ▁inspired ▁the ▁U . S . ▁Army ▁to ▁create ▁a ▁new ▁hel met ▁to ▁better ▁protect ▁special ▁forces ▁in ▁direct ▁action ▁miss ions ▁while ▁providing ▁the ▁weight ▁and ▁mod ular ity ▁they ▁desired ▁that ▁caused ▁them ▁to ▁ce ase ▁using ▁the ▁P AS GT ▁in ▁the ▁first ▁place . ▁ ▁An ▁initial ▁stop - g ap ▁solution ▁was ▁provided ▁in ▁the ▁R BR ▁hel met , ▁which ▁is ▁difficult ▁to ▁find ▁information ▁on ▁but ▁appears ▁to ▁be ▁derived ▁from ▁the ▁French ▁S PE CT RA ▁hel met ; ▁it ▁particularly ▁res emb les ▁the ▁Canadian ▁CG 6 3 4 , ▁which ▁is ▁a ▁derivative . ▁Meanwhile , ▁development ▁was ▁under ▁way ▁of ▁a ▁purpose - built ▁hel met