Robert Berry Chadwick II is a United States Navy rear admiral and surface warfare officer who serves as the commander of Carrier Strike Group 9 since July 9, 2021. He most recently served as the commander of Navy Region Hawaii and Naval Surface Group Middle Pacific from June 14, 2019 to June 18, 2021. Prior to that, Chadwick served as the 87th Commandant of Midshipmen at the United States Naval Academy from June 2017 to June 2019, with tours as commander of Destroyer Squadron 21 from March 2015 to August 2016 and commanding officer of USS Roosevelt (DDG-80) from November 2010 to July 2011.