 Signals intelligence ascertained that the 12th SS Panzer Division had been moved into reserve and although it was slow to discover that SS-Panzergrenadier Regiment 25 was not with the 16th "Luftwaffe" Field Division, having also been placed into reserve, this oversight was rectified before 18 July.Battle groups of the 21st Panzer Division with around and were expected near Route nationale 13.The 1st SS Division Leibstandarte SS Adolf Hitler was identified in reserve with an estimated and and the presence of two heavy tank battalions equipped with Tiger tanks was established.