Invisible boats caught with a night camera

The recording which was recently premiered in Laredo, Texas, allegedly proving that there is more alien spacecrafts in the Earth's atmosphere than we thought previously, and that there are even those aircraft that are so well disguised that it can not be seen with the naked eye.
Enthusiastic team of UFO investigators were headed to Texas, to prove that the night sky is more colorful than it seems. Equipment for night shooting tried to capture objects that are moving on night sky, which are not visible to the naked eye.
They of course succeeded in that mission. Objects are invisible to naked eye, but camera can capture them. The first recordings show that unusual objects in the images radiate light, and team of UFO investigators decided to share that with the public and local news.
Some members of the team are pretty sure that it is extraterrestrial spacecraft, but there is still a long way to undeniable evidence that will confirm this. This part from the news, you can see here in this video: http://www.youtube.com/watch?feature=player_embedded&v=EmJ7RjyfUr0

I do not know what is your opinion? My opinion is that there are too many sightings around the world, so there must be something. It is impossible to tell if they have extraterrestrial origin or not, but can be also, that these are aircrafts that are owned by the national secret services. Very probably it is possible, that this are secret projects. Of course this is my opinion.