On balance, ratifying UNCLOS is best alternative for protecting US freedom of navigation rights

The United States might react to these coastal state navigational restrictions in four possible ways.³² First, it could acquiesce in them, a reaction that would significantly restrict navigational freedoms important to the United States. Second, the United States could continue to assert, via diplomatic channels, a customary international law right to navigation, backing up its assertions with naval exercises. Although the United States has been following this practice since 1979 under its Freedom of Navigation Program, this option is expensive. It is expensive in terms of dollars, potential confrontations, and prejudice to other U.S. interests in the coastal state.³³ Furthermore, this option may not contribute to a stable legal regime, since some U.S. claims under customary international law could compete with coastal state assertions of different emerging rules of customary international law. Third, the United States could negotiate bilateral treaties to preserve U.S. navigational rights in other states' coastal zones. This option is also expensive. Small states, not interested in sailing their vessels or conducting military exercises in U.S. waters, would expect other new military, economic, or political concessions in exchange for allowing the United States to conduct military exercises or navigate in their coastal zones. Finally, the United States could accept the multilateral Law of the Sea Convention. With respect to navigation rights, this treaty provides a stable legal base from which to promote freedom of navigation rules. Its written and hard-to- change rules, though not always highly determinate, at least narrow the range of disputes over permissible and impermissible restrictions on navigation. Convention proponents have strong consequentialist arguments to support the position that the Con- vention's freedom of navigation provisions benefit the United States.