The other relationship was with Jason Ironheart, an instructor who later volunteered for genetic experimentation.

He later volunteered for a second tour in Afghanistan in 2004 and the Philippines in 2006-2007.

(There is no need to bank credits - recipients can volunteer later.)

Swanson later volunteered for a second combat tour in Southeast Asia.

His father later volunteered for the army and was killed in Hungary.

He later volunteered to join the Indian Army.

Zayd later volunteered to fight when he was 19 years old.

He later volunteered for service with the Free Czech Army.

Jeffrey later volunteered to go to limbo, and was voted in by a unanimous seven to zero vote.

Sanz later volunteered and was accepted to serve in China.