Although Tehran keeps showing off new ships and weapons, several of its Kilo-class submarines are out of the water.
The cause behind the vessel's sinking has never been determined.
"There is no sufficient suspicion of criminal offenses against specific domestic persons," a spokesperson for the Bochum Public Prosecution Office said.
The committee was formed by Gantz in November to investigate Netanyahu and his role in Case 3000.
The statue depicts an anti-Netanyahu protester waving the Israeli flag as he is blasted by a police water cannon.
The Submarine Affair is an ongoing scandal involving a multi-billion dollar submarine deal with Germany’s ThyssenKrupp AG conglomerate over several years.
Caravan participants will later join protests outside of the Prime Minister's Residence.
There has been a cloud over this matter for far too long
Lapid ultimatum to Gantz: Back dispersing Knesset next week
The committee would not be able to force Netanyahu and his closest associates to testify. It will have four months to draft its report.