What does NA stand for?

Walking around the site it becomes clear just how much concrete was used in construction during the 1960s - the underground platforms could probably withstand a nuclear assault being protected by slabs several feet thick.

It was bur ed six feet deep in the prairie to be impervious to nuclear assault.

Moruroa and Fangataufa atolls in the South Pacific endured a 30-year nuclear assault as France "tested" nuclear weapons above ground and later for 21 years beneath the atolls, despite the concerns of those living in the region.

While Smith and Goldblum go on an intricate covert mission to destroy the mother-ship in space, the jaded, failed and miserably Quaid and the rest of the US air fleet launch a fruitless aerial nuclear assault and all but Quaid run out of missiles on smaller 15 mile wide alien ship hovering over the US.

Most people find it difficult to imagine the collapse of the biosphere, or a cataclysmic nuclear assault.

The last time I saw a similar scene was in the Top Hat club in Dun Laoghaire in 1991 when trash metal kings Slayer and Nuclear Assault reduced my hearing by a full 30 per cent.

Presumably, it meant a great deal to the dignity of Hiroshima and Nagasaki's incinerated citizens to reflect that they were being sacrificed not to mad faith, but to the prerogatives of a properly calculated nuclear assault, on the part of a Western power that was only rationally pursuing a marginal military advantage.

Vouchers clearly don't amount to a nuclear assault on the public schools.