https://www.uspis.gov/history-spotlight/send-in-the-marines https://www.uspis.gov/history-spotlight/send-in-the-marines > "When our men go as guards over the m

https://www.uspis.gov/history-spotlight/send-in-the-marines https://www.uspis.gov/history-spotlight/send-in-the-marines > "When our men go as guards over the mail, that mail must be delivered, or there must be a Marine dead at the post of duty."