Even as China continues to indulge in reckless adventurism along its borders with different countries including India, two aircraft carrier strike groups of the United States of America conducted a two-day wargame near China's maritime boundary in the Philippine Sea. The two Nimitz-class nuclear-powered aircraft carriers - USS Theodore Roosevelt and USS Nimitz - strike groups commenced dual carrier flight operations in the Philippine Sea on June 21, 2020, and concluded the same a day later on June 22.