Related stories from 2007:
Venezuela’s Chavez says may buy submarines
Venezuela strikes £500m deal to buy Russian submarines
· Fleet would help Chávez thwart future US embargo
· Sale to worsen relations between Putin and Bush
Jawa shows these are the Russian subs Chavez is buying:
Unlike nuke boats, the Kilos rely on diesel-electric power for propulsion so they must regularly operate on the surface or at snorkel-depth to run the diesels. Therefore, their operating capabilities are limited. Yet, they are sneaky bastards that could cause trouble by exploiting weaknesses.