Blocker was drafted into the United States Army during the Korean War.

Entity and relation annotations:
id: 0
type: entity
value: text: Blocker 
labels: <Person>
id: 1
type: entity
value: text: the United States Army
labels: <Organization>
id: 2
type: entity
value: text: during the Korean War
labels: <Date>
id: 3
type: entity
value: text: the Korean War
labels: <Event>
type: relation
to_id: 3
labels: Organization:Engagement:Event
from_id: 1
type: relation
to_id: 1
labels: Person:belongs_to_NORP:Organization
from_id: 0
type: relation
to_id: 3
labels: Person:participates_in:Event
from_id: 0