The development of L-SAM Block 1 was officially completed in May 2024 and was declared fit for combat by the Defense Acquisition Program Administration (DAPA).

[7] It will be an upper-tier surface-to-air missile system for multi-layered defense as part of Republic of Korea Air Force's Korean Air and Missile Defense (KAMD) project, which has been planned since the early 2020s, with the lower tier composed of Patriot PAC-3 and KM-SAM batteries.

[3][9] The L-SAM system is expected to use two types of interceptors: one for anti-air meant to target general air breathing threats such aircraft or cruise missiles and the other for anti-ballistic.

[7][10] The development of L-SAM Block 1 was completed in May 2024, and initial mass production will begin in 2025 and will be deployed to the Republic of Korea Air Force from 2028.

[1][2] The L-SAM battery is composed of a multifunction radar, a command-and-control (C2) center, a combat control station, and four truck-mounted launchers, two of each missile type.