I think it’s because they already use Kilo in the NATO phonetic alphabet. So Clicks won’t cause confusion when the audio over the comms isn’t clear.

Just use Clicks. Then people will thank you for your service.

So Chinese military presence in Africa is not imperialism?

Inception won 4 Oscars and The Dark Knight has won 2.

Many Americans probably think they liberated the entirety of Europe during WW2 with a little help from the British and Canadians.