Samuel Gompers
Hillary Clinton and Donald Trump are two.
Single (just one captain) - The captain's table. Plural (many captains) - The captains' table. or The captains' tables.
Ford
I believe they were considered to be both
In the sentence "Pete is one of the team's captains," the verb "is" functions as a linking verb and is intransitive. It does not take a direct object but rather connects the subject "Pete" to the complement "one of the team's captains," which provides more information about Pete.
One Captain and up to three (3) Alternate or Assistant Captains.
That 'C' on a player's jersey indicates the player is one of the captains of the team. Almost always in the NFL, a team's starting quarterback is one of the captains of the team.
Personal survival -As the sea IS a harsh mistress, ship's captains are well aware of the dangers of the sea.
The Dallas Cowboys' captains wear stars on their captains patch.
he is the (or one of the) youngest captains to date
NBA teams have captains.