First of Two Parts

To understand why the stalled relocation of the U.S. Marines' Futenma air base is now arguably the most entrenched political problem facing the Japan-U.S. relationship, it's a good idea to sit for a long time on the warm beach of Henoko in northern Okinawa.

On this beach next to Camp Schwab, where plans call for a new facility to be built on reclaimed land, a group of local residents opposed to moving Futenma's functions here have set up a tent and are maintaining a protest vigil that has surpassed 2,000 days.