▁northern ▁Kant ara ▁salt ▁mar sh es ▁where ▁Isra eli ▁and ▁Egypt ian ▁t anks ▁would ▁have ▁bog ged ▁down . ▁These ▁advantages ▁amaz ed ▁the ▁Isra eli ▁military . ▁Its ▁ability ▁to ▁sw im ▁proved ▁useful ▁when ▁it ▁was ▁used ▁by ▁the ▁Egypt ians ▁in ▁the ▁first ▁wave ▁of ▁S uez ▁Canal ▁cross ings . ▁Egypt ian ▁crew men ▁of ▁the ▁ 4 th ▁arm ored ▁division ▁who ▁used ▁B MP - 1 s ▁for ▁the ▁fire ▁support ▁of ▁the ▁ 2 nd ▁and ▁ 1 8 th ▁inf antry ▁divisions ▁at ▁Kant ara ▁val ued ▁the ▁B MP - 1 ▁for ▁its ▁high ▁speed ▁and ▁man eu ver ability ▁but ▁noted ▁its ▁bad ▁vent ilation , ▁( E gypt ian ▁crew members ▁and ▁inf antry ▁suffered ▁a ▁lot ▁from ▁the ▁heat ▁and ▁to ▁compens ate ▁for ▁this ▁draw back , ▁kept ▁some ▁of ▁the ▁vehicle ' s ▁h atch es ▁open , ▁even ▁in ▁combat ▁zones ). ▁The ▁Egypt ians ▁also ▁found ▁the ▁tro op ▁compart ment ▁too ▁cr amp ed ▁for ▁eight ▁fully ▁equ ipped ▁soldiers ▁to ▁quickly ▁mount / d ism ount ▁the ▁vehicle . ▁Con sequently , ▁Egypt ian ▁B MP - 1 s ▁usually ▁only ▁took ▁six . ▁ ▁Isra eli ▁tank ▁brig ades ▁suffered ▁very ▁high ▁losses ▁during ▁the ▁Sy rian ▁off ensive . ▁The ▁Israel is ▁noted ▁that ▁the ▁" M aly ut ka " ▁AT GM s , ▁( including ▁those ▁launched ▁from ▁B MP - 1 s ), ▁were ▁dead ly ▁against ▁their