Steel Troops (Korean: 강철부대; RR: Kangcheolbudae) is a South Korean reality show broadcast on Channel A and ENA (formerly skyTV). Dubbed a "military survival program," the show features male South Korean reservists who served in various special forces units across different branches of the Republic of Korea Armed Forces. Participants go head to head in teams of four, representing their respective unit to fight for the title of the best special forces unit in Korea.

A series of missions, designed by military experts, test the participants' physical stamina, mental strength, and cooperation to determine the last team standing. Episodes also include concurrent commentary from a panel of hosts, including the "Master" who runs the competition events.

Season 1 aired every Tuesday at 22:30 (KST) from March 23, 2021, to July 20, 2021. This season featured 24 participants from six units across the Republic of Korea Army and Republic of Korea Navy. It was also released on Netflix under the title The Iron Squad and gained a high viewership ranking on release.

Season 2 aired every Tuesday at 21:20 (KST) from February 22, 2022, to June 7, 2022. The new season introduces two new units not featured in Season 1, including one from the Republic of Korea Air Force, for a total of 32 participants hailing from eight units.

Season 3 premiered on September 19, 2023 and airs every Tuesday at 22:30 (KST). Another two new units were introduced, including the first non-Korean team, composed of former retired US special forces members, alongside new participants from the top four units of Season 2.