FIRST(galaxy view)
1. the easiest way is to just send from the galaxy view by putting your cursor over the Debris Field and hitting the Recycle button....but this way has some problems that can occur(see below picture to see)

SECOND(Fleet Menu)****BEST OPTION****
1.The second and best option is to send from your fleet menu as this will enable you to time the DF pickup just minutes even seconds after the hit occurs...the way you do this is firstly to go to your fleet menu...To do this click the Fleet button on your side page...





