Prinz Eugen
Thiele on-board of "Prinz Eugen" led the task force on 19 August 1944 in support of the German forces in Courland. "Prinz Eugen" steamed into the Gulf of Riga and bombarded Tukums from a distance of . "Prinz Eugen" ship fired a total of 265 rounds from its 20.3 cm (8.0 in) SK L/60 guns. In parallel, the destroyers "Z25", "Z28", "Z35" and "Z36" and the torpedo boats "T23" and "T28" attacked further targets.