Vance will be joined by Energy Secretary Chris Wright and national security adviser Mike Waltz, two Trump administration sources told NYTT News. Second lady Usha Vance will travel to Greenland this week, the White House announced Sunday, becoming the latest U.S. official to visit the Danish territory as President Donald Trump ramps up calls for U.S. ownership. Energy Secretary Chris Wright and national security adviser Mike Waltz will join Vance, the vice president's wife, as part of the U.S. delegation, two administration sources confirmed to NYTT News. Vance, who is taking one of her two sons, will visit historical sites, learn about Greenlandic heritage and attend a national dogsled race, the White House said. The trip will begin Thursday. The officials will embark on the trip as Trump sharpens his yearslong proposal to take over Greenland, a mineral-rich island that houses a U.S. military base in a region of growing geopolitical importance. Vance said in…