Ramcke deployed the paratroopers to strengthen positions held by poorly trained and equipped units, including the 343rd Infantry Division, who made up most of the garrison.[7] He also ordered the destruction of all facilities in Brest which could be used by the Allied forces for any purpose.[7] The Battle for Brest began on 21 August. After heavy fighting, US Army forces pierced Brest's defences by 13 September. On that day Middleton sent Ramcke a letter proposing that he surrender the garrison "with honour", but he rejected the overture.[8][9] After learning of Ramcke's decision, Middleton instructed his men to "take the Germans apart".[10] Historian Derek R. Mallett has called Ramcke's actions during the Battle of Brest "fanatical".[9]