Israel's Military Secret -- The National Interest

The not-so-secret secret is now out—Israel has U-boat submarines that can launch nuclear-tipped cruise missiles. The Israeli nuclear arsenal is a triad—it can launch nuclear war from American-built F-15s, the French-origin Jericho missile and German-built Dolphin-class U-boats. It has a survivable second-strike capability and can project power far beyond its immediate environment. - Israel's Military Secret - Bruce Riedel