The 406th Army Field Support Brigade (AFSB) is a support brigade of the United States Army.
The unit was originally activated provisionally in March 2005 as the Army Field Support Brigade - Continental United States-East (CONUS-EAST) to support units during the Global War on Terrorism (GWOT) and the Army Prepositioned Stock-3 (APS) Afloat Program.
The AFSB conducted contingency operations supporting Operation Unified Response humanitarian assistance to Haiti in 2010, hurricane damage support to Fort Bragg, North Carolina in 2011, assistance in support of Hurricane Sandy in 2012, Ebola pandemic mission support to Africa on Operation Unified Assistance in 2015, and relief to flood-stricken Fort Jackson, South Carolina in 2015.
The Distinctive Unit Insignia is a shield with a gold eagle in the top section. The background is a white X shape over red and blue sections. The blue contains a bursting bomb with crossed key and sword behind it and three stars on either side. Below is a scroll with the motto "Steadfast Support."