▁began ▁bomb ing ▁targets ▁within ▁Dr var ▁and ▁Bos ans ki ▁Pet rov ac . ▁A ▁total ▁of ▁ 4 4 0 ▁sort ies ▁were ▁flow n ▁on ▁that ▁day . ▁ ▁Air bor ne ▁assault ▁and ▁initial ▁response ▁The ▁ 5 0 0 th ▁SS ▁Par ach ute ▁Battalion ▁began ▁to ▁par ach ute ▁and ▁gli de ▁onto ▁their ▁object ives ▁at ▁ 0 7 : 0 0 , ▁with ▁most ▁par ach ut ists ▁and ▁gl ider ▁pil ots ▁able ▁to ▁land ▁relatively ▁close ▁to ▁their ▁targets ▁despite ▁the ▁smoke ▁and ▁dust ▁from ▁the ▁bomb ing . ▁Some ▁gl iders ▁land ed ▁significantly ▁off ▁course , ▁including ▁one ▁that ▁land ed ▁in ▁front ▁of ▁the ▁Bast asi ▁cave ▁ 7   km ▁to ▁the ▁west ▁of ▁Dr var , ▁and ▁several ▁that ▁land ed ▁in ▁a ▁local ity ▁named ▁V r to če ▁near ▁Dr var ▁( not ▁to ▁be ▁confused ▁with ▁V r to če ▁between ▁Bi ha ć ▁and ▁Pet rov ac , ▁which ▁was ▁on ▁the ▁axis ▁of ▁advance ▁of ▁the ▁ 9 2 nd ▁Motor ised ▁Regiment ). ▁The ▁occup ants ▁of ▁the ▁gl ider ▁that ▁land ed ▁in ▁Bast asi ▁were ▁immediately ▁killed ▁by ▁members ▁of ▁the ▁T ito ▁Esc ort ▁Battalion ▁guard ing ▁the ▁cave , ▁and ▁the ▁occup ants ▁of ▁the ▁gl iders ▁at ▁V r to če ▁had ▁to ▁fight ▁their ▁way ▁toward ▁Dr var . ▁After ▁landing , ▁the ▁first ▁wave ▁of ▁the ▁ 5 0 0 th ▁SS ▁Par ach ute