Nilsson

Lieutenant Nilsson was a female Starfleet operations officer who lived during the mid-23rd century.

Biography
In 2257, Nilsson served aboard the USS Discovery, and oversaw the deployment of a gravity simulator in the starship's shuttlebay to capture a fragment of an interstellar asteroid. 

Later, she assisted Paul Stamets and Sylvia Tilly in the engineering when a spore hub failure occurred. 

Following Lt. Cmdr. Airiam's death, Nilsson attended her funeral. Later, she replaced the lieutenant commander as the new spore drive ops officer on the bridge.

Nilsson was among the crewmembers who volunteered to stay on board the Discovery and accompany the ship and Michael Burnham into the 32nd century, with no chance of return. 

She was afterwards presumed dead by Starfleet, based on the testimonies of the USS Enterprise (NCC-1701) senior staff. 

Background information
Nilsson was played by Sara Mitich who previously played Airiam in Season 1.