This is good news to Singapore. The 3D AESA TPY-4 radar has a detection range of 1,000km, and its functions include airspace monitoring, unmanned aerial system surveillance, ballistic missile detection and monitoring, maritime area surveillance, and satellite monitoring, functions that a super power like the USA needs.
With the TPY-4 Singapore would have the capability to detect aircraft and ballistic missiles coming from China and enemies 1,000km away. It would even be better if Singapore acquires something that can monitor space to detect aliens and meteors to protect its citizens. Singapore would thus be able to defend not only enemies on earth but also aliens from outer space. It definitely would be money worth spending. Hope the Americans are not treating Singapore as a rich cash cow to milk. Maybe they can offer some ICBMs to Singapore as well to defend against imaginary enemies.
Not sure how much is the TPY-4 radar system going to cost Singapore. Offering does not mean it is free. But Singapore must be very grateful as such great defence system would only be offered to good friends like Singapore, and not offered to our neighbours. And the Americans think Singapore needs it. Not sure if Singapore believes it needs such a great defensive radar situation, to protect against what?
By the way, who is Singapore defending against? Singapore got enemies 1,000 km away?