But the administration will recommend changes to the nuclear command structure that would make accidental launches more unlikely, officials said.

WSJ: U.S. Keeps First-Strike Nuclear Strategy

Nor does the White House intend to decide what the new U.S. nuclear force structure will look like until as many as seven years after the treaty is ratified.

CENTERFORSECURITYPOLICY: Center for Security Policy | Mapping a National Security Failure: Ratification of the New START Treaty | Page: 15

And Russia also released a statement saying the test threatened the international structure of nuclear disarmament.

BBC: Russia and China sign friendship pact

Even when fully within NATO's military structure, France will still retain its independent nuclear capability and defence autonomy.

ECONOMIST: France and NATO

All-in-all, nuclear power plants still meet the most stringent design criteria of any structure.

FORBES: Tornados and Nukes -- How Big Can They Get?

Officials said they could not rule out the possibility of a meltdown, which occurs when nuclear fuel rods cannot be cooled and melt the steel and concrete structure containing them, at all three troubled reactors at the plant.

FORBES: Fukushima's Last Stand: All But 50 Workers Evacuated