121st Field Artillery Regiment (United States)
| 1-121st Field Artillery | |
|---|---|
157th Maneuver Enhancement Brigade shoulder sleeve insignia | |
| Active | 11 May 1885— |
| Country | United States of America |
| Allegiance | State of Wisconsin |
| Branch | National Guard |
| Type | Artillery |
| Role | Combat Support |
| Nickname(s) | "Iron Brigade" |
| Engagements | World War I, World War II, Operation Iraqi Freedom, War in Afghanistan |
| Insignia | |
| Distinctive Unit Insignia | |
| U.S. Field Artillery Regiments | ||||
|
The 1st Battalion, 121st Field Artillery is currently part of the 157th Maneuver Enhancement Brigade that is based out of Milwaukee, Wisconsin. Attached to the 1-121st is Battery A located in Hartford, Wisconsin; Battery B located in Plymouth, Wisconsin; 108th Forward Support Company located in Sussex, Wisconsin.
The 1-121st FA originally operated M109 howitzer before switching to the M270 Multiple Launch Rocket System (MLRS) in 2003. As of 2010 the 1-121st FA operates the M142 High Mobility Artillery Rocket System (HIMARS).