USS Ronald Reagan finally departed from Japan after six previous departure cancellations since September 18.
Two Ghost Fleet unmanned surface vessel prototypes conducted drills with a U.S. Littoral Combat Ship and a Japan Maritime Self-Defense Force frigate.
Reagan's departure took place at 9:55 a.m. local time, following the customary notification process with Japanese authorities.
The carrier's departure was originally scheduled for September 18 but faced multiple postponements before finally leaving on Friday.
Cruiser USS Antietam also departed Yokosuka on the same day as USS Ronald Reagan.
USS Robert Smalls and USS Shoup carried out a multidomain bilateral exercise with Republic of Korea Navy vessels in the Sea of Japan.
The Japan Maritime Self-Defense Force frigate JS Kumano conducted drills with USS Oakland and unmanned surface vessels in Sagami Bay.