Defense Times Korea was first published in 2002 by publisher Seung-Beom Ahn, and has published its 266th issue in August 2024. Defense Times Korea's main customers are various defense-related organizations and domestic and foreign defense companies. Based on on-site filming, it publishes the monthly Defense Times with analysis of information and equipment, and the ROK Arms Yearbook, which analyzes the equipment of the ROK military and provides upgraded information, once every two years. The Arms Yearbook is published once every two years, and the ROK Arms Yearbook 2024-2025 was published in January of this year. Seoul ADEX has participated as a media outlet since 2017, and DX Korea has participated as a media outlet since 2016.

Defense Times Korea publishes professional military books such as Monthly Defense Times, Korean Arms Yearbook, and Republic of Korea Navy Combat Ships.
Monthly Defense Times is a military magazine published since May 2002, and consists of field reports, photos, and professional articles, while the Korean Arms Yearbook is a Republic of Korea Armed Forces general book published once every two years. It was first published in 2011, and the 2024-2025 Arms Yearbook was published in 2020.
Republic of Korea Navy Combat Ships, published in 2015, covers the past and present power of the Republic of Korea Navy.