 The 3rd Ground-Attack Regiment joined the battle on January 16, and under the cover of the 1st Fighter Regiment, attacked German positions in the area of Modlin, Adamówek, Palmiry, Dziekanów, Sieraków and Kaliszki supporting the 47th Soviet Army.After the liberation of Warsaw the 2nd and 3rd Regiments were attacking retreating enemy troops while the 1st Regiment was defending Warsaw as well as reconstructed bridges over the Vistula after the Luftwaffe attacks.During the first period of the Vistula-Oder Offensive the 1st Reg.