The Indonesian Military is expected to buy Russian helicopters, tanks and submarines after a planned visit by Russian President Vladimir Putin to the country on Thursday.

On his one-day visit to Jakarta, Putin and his counterpart Susilo Bambang Yudhoyono will witness the signing of Indonesia's credit purchase of 22 helicopters, 20 tanks and two submarines from Russia, English daily The Jakarta Post reported Tuesday.

Defense Ministry spokesman Brig. Gen. Edy Butar Butar has said the purchase, worth 1 billion U.S. dollars and payable within 15 years, would supply the military with 17 passenger helicopters and five offensive helicopters and the Navy with two submarines and 20 amphibian tanks.

"The Air Force will also receive weapons and equipment for its Shukoi squadron, because on top of the 1 billion dollars purchase we will also buy six Shukoi jet fighters worth 335 million dollars, " Butar Butar told the newspaper, referring to another agreement with Russia.

Both leaders will also witness the signing of oil and gas contracts and agreements on environmental cooperation.