While the submarines didn't violate international maritime law they didn't enter the 12-nautical-mile territorial waters near the areas in question their sightings rattled Japanese officials and led the government to issue a warning that an order deploying the military to maintain maritime security could be issued if submarines enter Japan's territorial waters.

WSJ: Japan on Alert Over Submarines Near Its Territorial Waters

While the submarines did not technically violate international maritime law as they didn't enter the 12-nautical-mile territorial waters near the areas in question, their sighting rattled Japanese officials and led the government to issue a warning that an order deploying the military to maintain maritime security could be issued if submarines enter Japan's territorial waters.

WSJ: Japan on Alert Over Unidentified Submarines

Pursuant to this interpretation, President Clinton intends to issue a new executive order upon ratification of the Convention that would prohibit the U.S. military from using non-toxic riot control agents (RCA) under scenarios in which such use might save lives.

CENTERFORSECURITYPOLICY: Center for Security Policy | EXCERPTS OF TESTIMONY BY FRANK J. GAFFNEY, JR. before the SENATE ARMED SERVICES COMMITTEE