11.   The navy would receive three new frigates and system upgrades for its six Collins class submarines.

12.   The navy could use its Collins class submarines, which can be fitted out to deploy the missiles.

13.   The USS Greeneville is a Los Angeles class submarine, which the Navy considers the backbone of its submarine force.

14.   In January, the United Daily News in Taiwan reported that China had ordered three Kilo-class attack submarines.

15.   Iran already has two kilo-class submarines in operation with its navy, which have been delivered during the past three years.

16.   Iran has two Kilo-class submarines with a third to be delivered shortly, and West said Tehran is also working on developing mini-submarines.

17.   An order from Chile for two Scorpene class submarines from France is to be confirmed in the coming days, French Defense Minister Charles Millon said Sunday.

18.   China has ordered three Kilo-class attack submarines from Russia in a move to rejuvenate its naval fleet, the United Daily News reported Wednesday.

19.   China currently operates four Kilo class submarines.

20.   China had already acquired four Kilo-class submarines from Russia.