Feldmarschall-Leutnant Prince Heinrich XV of Reuss-Plauen commanded the 25,000 troops in the Vorarlberg which included the Tyrolese. The 40,000-man center led by Feldmarschall-Leutnant Friedrich Joseph, Count of Nauendorf was posted from Lake Constance on the east to Villingen on the west, with its forward elements along the Rhine between the lake and Basel. The right wing consisted of the 15,000 troops of Feldmarschall-Leutnant Michael von Kienmayer guarding the passes through the Black Forest, 16,000 soldiers under Feldmarschall-Leutnant Anton Sztáray behind the Rhine from the Rench River north to the Main River and 8,000 men defending Frankfurt. Finally, a 20,000-strong reserve hovered near Stockach. There were garrisons in all the major fortresses and a small naval squadron on Lake Constance. In total, Kray disposed of 110,000 infantry, 25,000 cavalry, 4,000 gunners and 500 artillery pieces. In his rear was a major supply base and an entrenched camp at Ulm. The Habsburg general was able to trace one line of supply through Munich to Austria and a second one through Regensburg to Bohemia.