The 429th Brigade Support Battalion (429th BSB) is a combat service support battalion of the United States Army and the Virginia National Guard. It is part of the 116th Infantry Brigade Combat Team, Virginia Army National Guard. The 429th BSB draws its heritage and history from the 246th Field Artillery, a Field Artillery Branch regiment active from 1959 to 2005. In turn, the 246th FA drew its history from the 246th Coast Artillery, a Coast Artillery Corps regiment in the Virginia National Guard. It garrisoned the Harbor Defenses of Chesapeake Bay (HD Chesapeake), Virginia 1924–1944.