
In 2265, Alden's duties aboard the Enterprise included operation of the starship's sensors and deflectors, tasks he performed at the communications officer's console. He also served as a relief helmsman and was a proficient technician, as evidenced by his assistance in the repairing of the conn following the ship's encounter with the galactic barrier.
Alden was also part of a landing party on planet Delta Vega, where he assisted in the refueling of the Enterprise's lithium supply.