The larger cargo, valued at over $500 million, consists of 45,000 rounds for Israel’s Merkava tanks.
Announcing the development in a statement, his wife and children revealed that the former military expert died of pancreatic cancer.
Russia, on Wednesday, unveiled its plans to recover the wreckage of the downed American aircraft.
In 2002, the Rabbani brothers were arrested by authorities in their home-country for allegedly operating al-Qaida safe houses.
The surveillance device was shot down with a single missile by an F-22 fighter jet on Saturday.