Chapin

Alternate reality

Lieutenant Chapin was an operations division officer assigned to the USS Enterprise in 2259 of an alternate reality.

He was on duty on the bridge during Kirk's and Khan's space jump from the Enterprise to the USS Vengeance. He monitored Kirk's flight route and informed Spock about debris in Kirk's flight path.

Chapin was present and standing behind Spock when the Vulcan contacted his prime reality counterpart for information regarding Khan.

In 2260, he was still serving at his operations station on the bridge when the Enterprise embarked on their five-year mission. (Star Trek Into Darkness)

Lieutenant Chapin was played by Jay Scully.
This character was only named in the source's end credits.