1) The captain and the crew boarded the vessel and searched its cargo with the cooperation of the crew who had no previous knowledge of the cargo's true contents, which we can all see are weapons. 2) Once the vessels true cargo was exposed and the ships time log reviewed, it was revealed that this cargo was destined reach Syria, or possibly its proxy, Hezbollah. 3) The type of weaponry is consistent with that used during the second Lebanon War, used mostly for guerrilla warfare: grenades, katyusha's and minor rockets. 4) The weapons were being transported illegally under the disguise of polyethylene. The transferring of the cargo ships contents to Syria or Lebanon are illegal.
Two Turkish soldiers, five Kurdish militants killed in attack (Reuters)
from the article: Israel releases arms ship said destined for Hezbollah