due to the shortage of bombers and fuel, technical problems with the floating mine, and the red army overrunning advance bases, the plan was postponed repeatedly. in february 1945, however, eisenhammer was resurrected, and kampfgeschwader 200 assembled scout planes and about 100 mistels near berlin and waited for favourable weather to attack the plants around moscow. after a us air raid on the primary rechlin "erprobungstelle" military aviation test headquarters facility, which destroyed 18 mistels, the plan was postponed again and shortly afterwards finally dropped.