SINGAPORE—Eighteen nations including the U.S. and China agreed in principle Saturday to sign up to guidelines governing potentially dangerous encounters by military aircraft, a step toward stabilizing flashpoints but one that leaves enough wiggle room to ignore the new standards when a country wants. The guidelines essentially broaden a similar agreement reached by the U.S. and China three years ago and are an attempt to mitigate against incidents and collisions in some of the world’s most tense areas.

Source: Wall Street Journal October 20, 2018 10:07 UTC