If you have the space for additional BOFFs, you can have some configured for the bridge (or different ships) and some for the away team. So BOFFs with the space skills Efficient or Leadership go on the bridge. Those skills are useless on the ground, so I use a different set of BOFFs. I tend to max all my BOFFs out also and rotate them as necessary. For example, If I have CMDR, LT and ENS Sci slots on a ship, all my Sci DOFFs would be CMDR and could be rotated between those positions to make available whatever powers were necessary for the mission.