Maisie Hawke
From Tardis Wiki, the free Doctor Who reference
Corporal Maisy Hawke worked for UNIT and was an initial member of UNIT staff. She was engaged to Captain Sam Hawkins, before he was killed in Wenley Moor. (TV: Doctor Who and the Silurians, PROSE: The Scales of Injustice)
She oversaw radio reports from Geneva about the escalation of war. She later relayed a message from Captain Yates about something strange going on at Auderly House. (TV: Day of the Daleks)
Behind the scenes
Hawke's name and rank was not given on-screen, only in PROSE: The Scales of Injustice. Her on-screen credit was "UNIT Radio Operator".