To today, the MiG-25s remain in company Despite the fact that most of these have been upgraded to the MiG-31. Shut icon Two crossed lines that sort an 'X'. It suggests a way to close an conversation, or dismiss a notification. Chevron icon It signifies an expandable section or menu, https://portal.uaptc.edu/ICS/Campus_Life/Campus_Groups/Student_Life/Discussion.jnz?portlet=Forums&screen=PostView&screenType=change&id=4a6dacab-f8c0-4150-bf1e-4b069c8e0d1a