Their task was to spearhead a lightning northward offensive, from the Vistula-Wieprz triangle south of Warsaw, through a weak spot that had been identified by Polish intelligence between the Soviet Western and Southwestern Fronts.
Sarcina lor a fost de a fi în prima linie a unei ofensive-fulger spre nord, dinspre triunghiul Vistula-Wieprz de la sud de Varșovia, printr-un punct slab identificat de către serviciile poloneze de informații între fronturile⁠(d) de vest și sud-vest sovietice.