Martha Landon
Yeoman Martha Landon was a female Human Starfleet crewman who lived during the mid-23rd century. She served in the operations division aboard the  under Captain James T. Kirk, during the 2260s. While serving aboard the Enterprise, Landon was for a time romantically involved with Pavel Chekov. 

In 2267, Landon was one of nine crewmembers assigned to the landing party that conducted a survey on Gamma Trianguli VI. Landon and Chekov's open display of affection angered the planet's natives because love and intimacy were forbidden on the planet by Vaal. She was the only redshirt in the landing party to survive. 

She was highly skilled in hand-to-hand combat, as she single-handedly incapacitated at least two of the natives in the fight that ensued when they tried to kill the landing party under Val's orders. ()

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Humans
Starfleet operations personnel
USS Enterprise (NCC-1701) personnel
Starfleet enlisted personnel