TS Minute 41: (82:00-84:00)
Several years later, Sam Worthington would work with original "Terminator" star Arnold Schwarzenegger in the film "Sabotage" (2014).
A CGI version Arnold Schwarzenegger is seen as a rebel of the resistance. Right after John Connor speaks through the radio in order to inform the rebels not to attack the machines.
Skynet is able to track and destroy the Resistance Command submarine when it broadcasts the signal but they are unable to trace Connor's signal when he is making his radio broadcasts.