After further training the F - FDTL took over responsibility for the entire country 's external security on 20 May 2004 .
Some foreign peacekeepers remained in East Timor until mid-2005 .
After further training the F - FDTL took over responsibility for the entire country 's external security on 20 May 2004 , although some foreign peacekeepers remained in East Timor until mid-2005 .