||Grille is commissioned.
||Fleet parade at the new naval memorial in Laboe.
||Modifications at the ships boilers at Blohm & Voß shipyard.
||Engine trial voyage to Iceland.
||Used for representation duties and voyages of the naval command.
||First used for defensive mine laying operations, followed by commerce war in the Baltic Sea.
|February - May 1940:
||Repairs after collision with the steamer Axel
which sinks after the collision.
||Together with the CL Köln
and several destroyers, the Grille
is used to lay mine fields in the North Sea.
||In preparation for operation Seelöwe - the invasion of England - the Grille
was based in Ostend and planed to be used for setting up defensive mine fields to protect the invasion forces.
||Mine laying operation near Finland.
|March - August 1942:
||Put out of service.
||Sent to Narvik and used as staff ship.
||Used as headquarters for the U-Boat CIC-Norway (FdU in Norwegen).
||Transferred to Ankenes.
||Taken over by the British.
||Sold to a private company, used as a cruise ship in the Mediterranean.
||Some sources say that the Grille
is stricken in Beirut after a collision.
||Accorfing to Israeli sources, a Israeli naval command mined the ship because of reports that it was to be modified into a warship again. (Operation "David")
||The ship is badly damaged by the exploding mines and took 3 monthes to repair.
||Sold to the USA.