Large flaming tail and eratic movement - sudden change of directionWe are located at Laredo Border Patrol Sector. We are at the Communications Center.We were observing the border area and an Agent caught it on camera. We all alerted to it and threw it on the big screen to figure out what it was. What we recorded on digital monitor was what look like a comet with a long tail behind it. It was traveling real slow. Which we thought was unusual for it to be traveling so slow.Then suddenly it took a turn stright up and back into the atmosphere and dissappeared. This was all recorded on federal tape and witnessed by federal employees.((NUFORC Note: We have requested additional information about the incident, but have received no other reports, to date. PD))