I was sitting in my backyard looking se when i noticed what i thought was a plane. i thought it was a plane because a large cross like object was seen first and the outline looked like a plane until i saw 10-12 object above it. this was close to dusk at time of day. i was a little shaken because i did not know what i was looking at. the objects appeard dark with no lights and where flying in a broken arrrow formation. left and right of the formation were to small black spheres spinning around in a circle. these craft were travelleing in a straight line from se to ne . the object underneath reminded me of a large jack colored white and cylinder construction. very unsettling coming over head. also of note ittook 2-3 minutes from sighting til it was out of sight. sky was clear with a little haze. to be clear 10-12 objects, 10 large with a a large cross like object underneath with 2 smaller objects to the left and right going in circles. this was witnessed by 3 other people with me.