 Complete the following phrase:  51st H Division then took part in the pursuit to El Agheila and Tripoli in January 1943. 491 Field Bty claimed that four of its guns were the first Eighth Army guns in the deserted city, having used all of the regiments available petrol to get there. The regiment took part in the victory parade in the city. By 25 February it was past Medenine in Tunisia and facing the Mareth Line. The Axis force made a spoiling attack on 6 March the 