Beyond that, Putin says that Russia will also have what's being described as a space weapon deterrent system by the year 2030, although specifics on it unsurprisingly remain a bit light for the time being.

ENGADGET

Rox said it had now employed a full-time security guard and installed a smoke cloud system as a deterrent.

BBC: Rox in George Street in Edinburgh

The Bush Administration has a sluggish, low-key missile defense effort under way: a limited ground-based system deployed in Alaska and California, which won't be much of a deterrent in today's world, and a still underdeveloped sea-based system modeled on the U.S. Navy's Aegis vertical launch system.

FORBES: Atomically Aiding Our Enemies

The Trident missile system, Britain's nuclear deterrent, is carried by submarines based at the Faslane naval base on the Clyde, near Helensburgh.

BBC: Protesters march against Trident in Glasgow

Install an antitheft device or system on your vehicle as an extra deterrent measure.

FORBES: New Cars With The Highest Theft Rates

But critics say Trident is too expensive, and there have been calls to either scrap the nuclear deterrent or switch to a cheaper land-based missile system.

BBC: Former navy chief in government cuts warning

Clearly, a system of justice culminating in the death penalty has had little deterrent effect.

ECONOMIST: Death and the American

Conservative Nicola Blackwood argued that the public's "lack of confidence" in the sentencing system was down to a desire to see an "effective deterrent".

BBC: Clarke warns against longer prison sentences