Where are the coil packs located on a 1997 Ford F-150 5.4L engine?

On a 1997 Ford F-150 with the 5.4L engine, the coil packs are located directly on top of the spark plugs. They are individual coil packs, one for each spark plug, rather than a single coil pack for multiple cylinders. You'll find them nestled between the valve covers.