A 1,100-pound piece of rocket debris plummeted to the Earth this week and smashed into a village in Kenya, officials in that country said on New Year's Day.A metallic ring measuring about 8 feet "fell from the skies" and landed in Mukuku Village in Makueni County on Monday, the Kenya Space Agency sa...
As the other comment says, 1000 is often shortened to 1k, not just in America. It comes from the Greek kilo (meaning thousand), represented by kappa, which far predates the Metric system that borrowed it later.