a petty officer on a merchant ship who controls the work of other seamen

a seaman in the merchant marine; trained in special skills

a seaman in the merchant marine; trained in special skills

a seaman in the merchant marine; trained in special skills

a seaman in the merchant marine; trained in special skills

a seaman in the merchant marine; trained in special skills

a seaman in the merchant marine; trained in special skills

a seaman in the merchant marine; trained in special skills

a seaman in the merchant marine; trained in special skills

a seaman in the merchant marine; trained in special skills