German submarine U 2 under repair at the Kaiserliche Werft, Kiel, Germany in 1918

A list dealing dated 28 June 1918 reported the status of work on the submarines expected on 30 June. Work started on 1 March 1918. Planned completion unknown. Description of the work major overhaul. Remarks replaced on 22 June 1918.

Source

Bundesarchiv RM 3-11254.