TOKYO (AP) — Experts may debate trajectories, payload weights and re-entry shields, but North Korea's claim that the entire United States is within range of its rapidly improving missiles just got a lot more credible.

Wednesday's launch of what the North called the Hwasong-15 intercontinental ballistic missile demonstrated a greater range than other missiles it's tested and showcased several capabilities the North must master if it were ever to actually try to unleash them at the United States.

Here is a quick look at the advancements made, the developments still to come, and the implications...