With the encouragement and support from his family and friends , Yamashita challenged the Marine Corps ' decision .
Yamashita was determined to fight the racial prejudice and discrimination that he had faced during his time at the Marine Corps .
With the encouragement and support from Yamashita 's family and friends , Yamashita challenged Marine Corps   Corps ' decision .
Yamashita was determined to fight the racial prejudice and discrimination that he had faced during his time at the Marine Corps .