Althoguh it is an active project. KALI-5000
Single Shot Pulsed Gigawatt Electron Accelerators
APPD has pioneered this technique in the country and has built four accelerators of this type. Starting with a modest power level of 0.4 GW, APPD has come a long way to build accelerators with a power level of 40 GW. KALI 80, KALI 200, KALI 1000, and KALI 5000 fall in this category.
every country has one of these programs. but i doubt any nation can develop such a capability on there own,the US has the resources will ability and the reason for such a program. first i would think a regional satellite if not global coverage of satellites is required for such a program. mainly for surveillance and then Communication. and then the technology for laser is still not very prefect, it requires too much fuel for such beams and space is not the most ideal refuleable place. i think it's the Australians who came up with another idea it was to use or convert a 747-400 and place a massive lazer at its head, using mirrors and lasers you would be able to deal with any threat coming up for yeah.
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Lets wait and watch once they give us some proper research conclusion. from R&D.