C-704 missiles similar to these were found on the ship
The weaponry discovered on the vessel included thousands of mortar shells, ammunition, and six anti-ship missiles which may have significantly shifted the regional balance of powers in favor of the terror organizations. These missiles could have been used to threaten Israeli Navy ships, civilian ships, and gas reserves off the coast of Israel.
In addition, Iranian documents found along with the weaponry including a missile identification manual written in Persian containing emblems of the Iranian government, point to the involvement and cooperation between Iran and Syria to further arm terrorist organizations.

