 The Khaibar-1 rocket is estimated as having 4 times the power and range of the Katyusha rockets Hezbollah had, up to that point, used.The IDF claim that the Khaibar-1 is a modified Iranian Fajr-5.30 July reportedly saw over 140 rockets fired from Hezbollah positions into Israel- the most fired on a single day since IDF Operation Change of Direction began.