In early May 1913, the cadets of Crew 1913 were sent to the training ships , , and . Lindemann was assigned to "Hertha" with 71 of his comrades. At that time, "Hertha" was under the command of Captain Heinrich Rohardt, a friend of his uncle Friedrich. Arriving on board on 9 May, they were divided into watches consisting of roughly 18 men each. "Hertha" left Mürwik and stayed in Kiel until the end of the month. On 29 May 1913, "Hertha" headed for Swinemünde, where she stayed until 15 June. The next stop, via Sassnitz and Visby, was Stockholm, Sweden, arriving on 24 June. The ship remained in Stockholm until 1 July, before leaving for Bergen in Norway. After a few days, the voyage continued to the Lönne Fjord. Here, Lindemann met his commander-in-chief—Kaiser Wilhelm II—for the first time. "Hertha" then returned to Germany, arriving in Wilhelmshaven on 8 August 1913.