Thaum Lub Yim Hli 8, 2010, Iranian Navy tau txais plaub lub tshuab hluav taws xob hluav taws xob tshiab (hluav taws xob hluav taws xob submarines) ntawm Ghadir chav kawm. Raws li Xov Xwm Tiv Thaiv tau tshaj tawm, Iranian lub nkoj hauv nkoj tau nce mus txog 11 chav nyob hauv chav kawm no. Thawj Ghadir chav kawm diesel-hluav taws xob submarines tau txais los ntawm Iran xyoo 2007 thiab tau tsim los ntawm North Korean Yono chav nkoj.
Nyuam qhuav pib, Iranian tub rog tau hais tias cov roj av hluav taws xob diesel no yog npaj rau kev ua haujlwm ze rau ntawm ntug dej hiav txwv thiab hauv dej ntiav, feem ntau yog hauv Persian Gulf. Lub nkoj, raws li Iranian Navy, tau tsim los siv thev naus laus zis zais cia. Submarines Ghadir muaj qhov hnyav me me (kwv yees li 120 tons) thiab tshem tawm ntau txog 115 tons.
Tam sim no Iranian submarine fleet, ntxiv rau Ghadir, suav nrog peb Soviet submarines pr.877 "Halibut", yuav thaum ntxov xyoo 1990, nrog rau Iran Nahang, tau txais hauv 2006. Hauv xyoo 2008, Iran tau pib tsim kho lub nkoj tshiab Qaem, muaj peev xwm daws teeb meem kev ua tub rog nyob rau hiav txwv siab. Qhov tseeb, nws muaj peev xwm siv cov cuaj luaj thiab torpedoes.
