On the Youtube page, this person related the following story.
"I have sat on this evidence for over 2 years, mainly because of the nature of my background, if you knew who I was then you would understand.
"Back on November 7th 2006, I was near Chicago O'hare International airport when I was witness to what was arguably one of the most important UFO incidents in modern times. After the incident, many people jumped on the UFO bandwagon and came forward with false evidence, I can't speak for these individuals, I can only speak for myself.
"I witnessed a gigantic UFO hovering over the Airport at precisely 4:32 p.m. The UFO was a dark, hazy metallic disc/cigar shaped craft. It was at a height of roughly 750 feet from the ground, completely silent, frozen still, and was well over 100 meters in length. I managed to film the UFO on my cell phone for 1 minute, I observed the UFO for a further 1 minute, after which time it took off, and went upwards at tremendous speed and was gone.
"If you watch the clip properly, at the start of the clip you can clearly see a large passenger jet taking off, and flying directly under the UFO, which shows just how huge this thing was. The UFO was completely frozen still, and any movement on the video clip is camera movement and camera shake. I filmed the UFO on my cell phone with the zoom set to full.
"This is arguably one of the most important pieces of UFO photographic evidence in existence, and to ever be posted on the internet, simply because I know it was a genuine Unidentified Flying Object, and it was witnessed by many credible individuals, including pilots.
"Yes I would love to come forward and go public with my story, but this is just not an option for me, due to my job. So that is why I have posted the clip on You Tube. For those who don't want to believe the truth, thats up to you, but what you are seeing is genuine footage of an unknown craft, and shame on the worlds media for all the ridicule they threw at this unbelievable incident."