In July 2003, shortly after the start of the Iraq War, the UK Ministry of Defence announced its intention to withdraw from the Boxer programme and focus on the Future Rapid Effect System (FRES).
在2003年7月，伊拉克戰爭開始不久之後，英國國防部宣佈退出拳師計畫，轉而專注於未來快速奏效系統（英语：Future Rapid Effect System）（FRES）。