In any campaign mission, Kill enemy, walk up to the enemy and press 'G'. Drag enemies clothes into inventory with enough free space or into the clothing slot. This action is ignored and a copy of Kerry's clothing is put on the ground. Open Kerry's clothes on the ground and drag health pack (or what ever) to back pack. look at the clothes that you are wearing and the health kit is not there. Move med kit to the clothes slot. look at clothes on the ground, the medi kit is in there, the same as the clothes in the clothes slot.