Ice Station by Matthew Reilly

In this high-octane thriller, an elite team of American Marines is dispatched to a remote Antarctic research station after a distress signal indicates the discovery of an unknown entity buried deep in the ice. Upon arrival, the team finds themselves embroiled in a deadly battle with foreign commandos who are also intent on securing the mysterious find. As the soldiers navigate treacherous ice caverns and confront the harsh elements, they uncover a secret that could change the course of history, all while fighting to survive against overwhelming odds and prevent the artifact from falling into the wrong hands. The 9055th greatest book of all time