https://news.usni.org/2020/09/14/valiant-shield-2020-kicks-off-today-as-joint-force-assembles-in-mariana-islands
The exercise, which takes place every other year following the Rim of the Pacific international exercise, is U.S.-only and typically covers more sophisticated warfighting tactics and systems than does RIMPAC, which is meant to be more inclusive for all partners and allies. Valiant Shield 2020 will run from Sept. 14 through 25.