Visible crew/equipment: When Sam tries to hand off the All Spark, the chopper is shot down by Starscream. When the chopper wreckage flies over Sam lying on the ground, the black protective gear is visible between Sam's pants and tee shirt. (02:05:45)
Visible crew/equipment: When Sam is at Bobby Bolivia's cars dealership intending to buy the Chevrolet Camaro and all the cars' windows explode, as the camera turns around a shocked Bobby Bolivia the shadow of a boom microphone is visible on his face.
Visible crew/equipment: When Sam is brought by his father to the Porsche's dealership at the beginning of the movie you can see the camera car reflected on the building's glass while chasing them.
Answer: Primus created the original Thirteen Transformers, later known as the Thirteen Primes, to help him defeat his nemesis, Unicron. The Thirteen Primes were the start of the Cybertronian race, which eventually turned on itself when Megatron, formerly Megatronus, started the War and his Decepticon faction.