Derek Grossman is a senior defense analyst at the think tank RAND Corp. in Santa Monica, California, and an adjunct professor in the practice of political science and international relations at the University of Southern California. He formerly served as an intelligence adviser at the Pentagon.
For decades, China and Pakistan have maintained an "all-weather" strategic partnership designed to endure any hardship. This relationship was borne out of a mutual desire to counter India within South Asia and, more recently, to help Beijing manage the challenge of rising Islamic extremism and to offer Islamabad an alternative economic and defense partner in the face of its rockier ties with the U.S.

