Footage of the bizarre, teardrop-like UFO that appeared above Miami Airport in September last year, following an Atlas rocket launch. <br /><br />The video, filmed from the airport on September 2, shows the strange bubble, which caused a lot of speculation and tickled the interests of UFO enthusiasts until it emerged that the object was part of the trail of a NASA rocket. <br /><br />The filmer later wrote online: "We were about to load a flight on the American Airlines 737 on picture when all of the sudden this whatever came across the skies in front of us.<br /><br />"I immediately took out my phone and started recording and commenting through it, aAlthough we didn't know what it was all about until later when we saw it on the news."