sentences:  These included an extensive range upgrade of the Grafenwohr Major Training Area in the early 1980s and the construction of the Range 23 complex at the Wildflecken Major Training Area in 1989 and 1990.Additionally, the Brigade was responsible for providing topographic support to the European Theater.In 1990 and 1991, during Operation Desert Shield and Operation Desert Storm, the 18th Engineer Brigade provided rail and sea deployment support to the VII Corps and, in addition, deployed a Combat Heavy Battalion and Topographic Company to support VII Corps operations in Southwest Asia.