Pacific Siege — Keith Douglass

Following World War II, Japan returns one of its northern islands to Russia; now Japanese General Nishikawa decides he wants it back. After he and his troops capture the Russian military post on the island and threaten to kill the Russian garrison, Japan is left helpless. They don't want to open fire on their own troops, but they have to do something before Russia retaliates. And Russia is not happy...

Lieutenant Murdock and his SEALs are called in to restore justice. But between freeing Russian hostages, keeping the General from going ballistic, and making sure not to step on the wrong toes, the SEALs find themselves stuck waist-deep in hell--and high water...