[4] As a result, the unit was redesignated with the Roman numeral "II"[5] and came under the command of the 1st Region's Śródmieście (City centre) officer, Edward Pfeiffer.
[7] The battalion fought in the city centre and on the 3rd of August its "Warszawianka" company, led by Lieutenant Zbigniew Brym carried out a successful assault on the Railway Post Office, located at the junction of Żelazna St. and Aleje Jerozolimskie.
[8] On the 8th of August it captured the building of the Ministry of Water and Sewerage in Starynkiewicz Sq.,[9] which it lost four days later having to retreat after a counterattack by the Russian-backed Kaminski Brigade.
[1] According to Bornstein, they met with the commander of the uprising, Antoni Chruściel (Monter) who was outraged at the crime and ordered an immediate investigation and court martial of those responsible.
[16] Notable soldiers in the battalion, in addition to those mentioned above, included Captain Piotr Zacharewicz ("Zawadzki") commander of the "Warszawianka Company" located in Dom Kolejowy (The Railworkers' Union Building), Maciej Matthew Szymanski, Tadeusz Siemiątkowski and Mirosław Biernacki[17] The unit has also been noted for having a high number of Jewish soldiers in its ranks, most of whom had emerged from hiding on the outbreak of the uprising.
[12] These included the diarist Calel Perechodnik, who served with the NSZ platoon, and Wiktor Natanson ("Humieński"), aged 14 and Jakub Michlewicz 15 years old, who were among the youngest members of the battalion.