North Korea was quiet militarily at midday Thursday as it and South Korea marked the 64th anniversary of the signing of the armistice that ended the 1950-53 Korean War.South Korean officials said there is no sign of an imminent missile launch. Still, government and defense officials in the region continued to be on high alert over a possible saber-rattling by North Korea around the commemoration, following recent satellite-based information showing that it may be preparing for another ballistic missile test.In celebrating the anniversary of what North Korea calls "victory" day, the country'…READ FULL ARTICLE