Possible Clues:

• U.S. territory in Micronesia
• Island where the Fanohge March for CHamoru Self-Determination took place
• U.S. island territory where Chamorro is spoken
• Territory near the Mariana Trench
• U.S. territory whose capital is Hagatna
• U.S. territory in Oceania
• Overturn vintage sports car smuggling gold in US territory
• "Where America's day begins"
• Its biggest city is Dededo
• US Pacific island