Triangle order inquiries

An odd set of related studies of MUFON report is outlined in the open database in the recent past have been. Studies of the triangle is common on the spot now, but Virginia, Idaho, United States, other investigations and even Russian is in the States of an odd aspect.

What is odd about these studies are all vendors feel seen, "yellow" light-shaped triangular form. The triangle was also the only documented in "stay there" or a button with a checkmark in the sky. Since it can by the triangles are shown in the typical colors are red, white or yellow.

What could be the important information about yellow lights? Comment as you wish.