Select all that apply- BSBs could utilize a Forward Logistics Element (FLE) inside of a Forward Logistics Base (FLB) if the following occurs: a. The unit is in an early phase of a contingency operation b. The BSB wants to move closer to the supporting CSSB or DSSB behind the brigade support area (BSA). c. There is a fast-moving offensive operations over significant distance d. The units are geographically separated from other units supported by the support battalion