How to position a 3D object modelled with SketchUp?

Hi, what tool do I use to position a 3D objetc modelled with SketchUp like a building landmark in a specific place in the scenery? I am new to SketchUp and I read that to position a 3D objetc near or in a specific place at an airport I must use the WED but I did find nothing that show me how to place, for example, a barn on a farm away from airports. Any tips?