Kherson once again 'contested territory' Pentagon says; Kiyv says Russian missiles hit Ukraine's Air Force Command in Vinnytsia; Russia says it is now focusing on Donbas region

Washington is competing with Moscow and Beijing to develop technology that travels at speeds similar to ballistic missiles but is more agile and tougher to shoot down

Almost all of 150,000-strong deployment dispatched into heart of fight, according to US; 500 more American troops being sent to Europe to bolster NATO

Senior official says invasion's initial phase is focused on key cities, with Pentagon expecting the Russians to soon move on the capital Kyiv

Pentagon declassifies intel on alleged Moscow plan to film faked assault with Ukrainian and Turkish arms as border tensions continue to build

Pentagon says mission was successful; monitor group reports civilian casualties in village of Atmeh near Turkish border; target not immediately clear

Pentagon notes that it was Emirati surface-to-air missiles that actually engaged the targets

Despite never being charged, group has spent collective 85 years in prison opened two decades ago for so-called 'war on terror' detainees in wake of 9/11 attacks

Defense Secretary Lloyd Austin launches campaign to rid force of radicalism, after military veterans and some active troops were present at the storming of the US Capitol

Report says Defense Department has 'drastically undercounted' civilian deaths, undermining American claims of precision strikes