The Quds-3 (Al Quds-3) is a rocket is based on the Russian Grad and BM21 Katyusha. The new rocket, test-fired against Ashkelon on March 28, 2006, weighs 66 kilograms and carries 17 kilograms of explosives. It was developed in the Gaza Strip, allegedly with the aid of the Palestinian Authority funding and Iranian operatives.[citation needed] In April 2006, DebkaFile reported Palestinian militants were manufacturing the Quds-3 along with a multiple-rocket launcher system.