 Complete the following phrase:  The 4th Guards Brigade was one of the units which was not trained, so they gained their skills during the war. The slogan of the brigade was In hoc signo vinces. Their first task was to liberate Kruševo near Zadar which they did in July 1991. Soon, the brigade was involved in defence and liberation actions from Zadar, Sinj, Drniš, Šibenik, Vodice until the liberation of Dubrovnik and region in Operations Tiger and Vlaštica. After the liberation of Dubrovnik and actions in the Southern Front, the unit was involved in Operation Maslenica which they finished successfully. After Operation Maslenica, the brigade was involved in Operation Winter 94, Operation Leap 1, Operation Leap 2, 