The Xinhua report did not link the exercises to the ongoing tensions over North Korea, which are expected to dominate the United Nations General Assembly in NY later on Tuesday.
North Korea, which has conducted more than 80 missile tests under third-generation leader Kim, says it needs its weapons to protect itself from USA aggression.
For his part, hawkish Japanese prime minister Shinzo Abe has said he would "never tolerate" the North's "dangerous provocative action" and has urged the worldwide community to ramp up pressure on Pyongyang.
The U.N. Security Council has unanimously imposed nine rounds of sanctions on North Korea since 2006, the latest earlier this month aimed at restricting fuel supplies and cutting off textile exports, a key foreign exchange earner.
On Thursday, U.S. Secretary of State Tillerson called on China, Pyongyang's only ally, and Russian Federation to apply more pressure on North Korea by "taking direct actions of their own". "We've pretty much exhausted all the things we can do at the security council at this point". She also reiterated China's position that sanctions on North Korea are only effective if paired with talks.
"For those. who have been commenting on a lack of a military option, there is a military option", he said, adding that it would not be the Trump administration's preferred choice.
The diplomats also said the two governments are not communicating the same message, with South Korea saying it can not afford another war on the Korean peninsula. The missile flew over Hokkaido and successfully hit its target in the Pacific Ocean, KCNA said. President Donald Trump has said all options - including military - are on the table to stop North Korea from threatening the U.S. Earlier in the week, the Security Council tightened sanctions after the U.S. dropped key demands such as an oil embargo to win support from Russian Federation and China.
China and Russian Federation have repeatedly called for a peaceful solution and talks to resolve a brewing crisis over North Korea. "We are continuing to train for situations that may arise", said Kimmel. "Without implementing this, we also will consider it as a non-compliance with the resolution".
Business Insider put together two charts comparing North Korea's imports and exports by country using 2015 data from the Observatory of Economic Complexity (OEC), a project conducted at the MIT Media Lab Macro Connections group.
South Korea has submitted a draft resolution for an Olympic Truce, which will be voted on by the United Nations General Assembly on 13 November.
U.S. Secretary of State Rex Tillerson told reporters on Wednesday night that U.S. -led sanctions against North Korea are starting to take effect with the North experiencing fuel shortages.