What do you think of this dream?

I know what it means, but I am interested to know what other people think.

In my dream, Earth was controlled and occupied by an alien race of people. They looked like us and talked like us, but we knew they were different, and they were corrupted inside. They had been around for many generations, but then they learned of an attack coming against earth. They began to evacuate in their transports, but they would not let us go with them. They were in the middle of evacuating when the attack came sooner than expected. It was merely a flash of light, and it wiped all of them out without a trace, leaving just us humans. We decided to check out their transports that were left behind. We soon realized that these transports were not made for or by the aliens, but they were made for us by someone else. To navigate, all we had to do was to put a helmet on our heads, and think of where we wanted to go. The helmet would read our minds and project an image of our destination into our