Kammala jumla mai zuwa: Bayan Operation Barbarossa ya fara a ranar 22 ga Yuni, Dyakonov ya bar makarantar kuma a watan Satumba ya dauki umurnin 27th Separate Cadet Rifle Brigade. Har zuwa watan Nuwamba brigade ya yi yaƙi a cikin manyan yaƙe-yaƙe na tsaro kusa da Moscow, sannan aka sake shi zuwa Kalinin Front kuma ya yi yaƙi a cikin lalata sojojin Jamus a kusa da Lake Seliger, kama Molotitsy da kewaye da Demyansk Pocket. A ranar 29 ga Janairu, sai Kanar Dyakonov ya karbi umurnin rundunar bindigogi ta 257 na rundunar soji ta uku, wanda ya jagoranci a cikin
Toropets <unk> Kholm mai kai hari. Rukunin sa sun ci gaba sama da kilomita 380 a cikin fadace-fadace daga Ostashkov zuwa Velikiye Luki, sannan suka koma kan tsaro. A cikin bazara na 1942, an sanya Brigade na 31 na Rifle da battalion biyu na kankara a ƙarƙashin ikon sashin, yana faɗaɗa layinta daga 40 zuwa 80 km. A lokacin yakin Velikiye Luki, rukunin ya bambanta kansa a cikin kama birnin da sauran wuraren da aka karfafa, wanda aka canza shi zuwa rukunin 'yan bindiga na 91 a ranar 18 ga Afrilu.