In dialogue, Ms. Fontanelli states that 'Romeo 12' set up a perimeter against the Ceph. The subtitles for this part state that 'Romeo 2' set up a perimeter.
Prophet's nanosuit informs the Player that the nanosuit jammer is destroyed, but the jammer isn't even physically damaged.
The video of Psycho having his suit removed muted of its own accord.
The loading animation for one of the machine guns shows the Player putting a strip of a few rounds into it. This machine gun holds 100 rounds in the magazine.
In spite of having a power source capable of supplying to the entire world, CELL uses a hydroelectric dam to power their defense towers.