[3] On 5 September 2009, medical verification was conducted at the port of Yokohama using helicopters from local governments, police, fire departments, the Ground Self-Defense Force, and the Japan Coast Guard.

[This paragraph needs citation(s)] She became the first Japanese vessel to have an American MV-22 Osprey land aboard the ship during exercise Dawn Blitz in San Diego, California on 14 June 2013.

Hyūga participated in the integrated training Dawn Blitz 15 held in the United States from 18 August to 9 September 2015 with Ashigara and Kunisaki under the command of the Mine Warfare Force.

[10] Hyūga participated in the Japan-US-India joint training (MALABAR 2016) held in the waters east of Okinawa from 10 to 17 June 2016, and then sailed to Hawaii with JS Chōkai until 23 August.

[12] On 14 October of the same year, assuming a huge Nankai Trough earthquake, a Japan-US joint disaster prevention drill was held in Shirahama Town, Wakayama Prefecture.

[13] From 27 November to 5 December of the same year, Japan-US joint cruising training was conducted with the aircraft carrier USS Ronald Reagan and several other ships in the sea and airspace from around the Bashi Channel to the south of the Kantō region.