It was named in memory of Challenger crew member Christa McAuliffe.

Entity and relation annotations:
id: 0
type: entity
value: text: Christa McAuliffe
labels: <Person>
id: 1
type: entity
value: text: Challenger
labels: <Production>
id: 2
type: entity
value: text: crew member
labels: <Title>
type: relation
to_id: 1
labels: Person:owns/uses:Production
from_id: 0
type: relation
to_id: 2
labels: Person:holds_title:Title
from_id: 0