Nighthawk

Flying over the South Pacific the most technologically advanced spacecraft ever built vanishes into thin air. Both China and Russia would kill for the secrets it contains. Kurt Austin and the NUMA team are drawn into a stealthy race to locate the wreck before someone else does. Only the United States know that waiting in its debris is a payload. Kept at absolute zero the cargo could obliterate the face of the earth if allowed to thaw. With only seven days until its temperature rises the NUMA team have to work against the clock to stop its deadly payload from wiping out all of life on earth.