Dan Brown. Deception point

Intelligence Analyst Rachel Sexton is in her mid-thirties, is single, and works for the NRO (National Reconnaissance Office). Her father, Senator Sedgewick Sexton, is a popular presidential candidate surpassing the incumbent President of the United States Zachary Herney. The President sends her to the Arctic as part of a team of experts to confirm and authenticate findings made by NASA deep within the Milne Ice Shelf