From the point of ignition to the final drive, the point of the journey is not to arrive (anything can happen). -Rush, "Prime Mover"

We see these quite often, they are silver, with a red or black line around the center, and shaped like cigars. They do not have wings, they do not make any sound. They float along quickly, disappearing into thin air, and are therefore hard to photograph. Many have been closer (and easier to see!) than this one.