Explain simply why in cases arising in the land or naval forces , or in the Militia , when in actual service in time of War or public danger is the correct answer to: Passage: The Fifth Amendment to the United States Constitution provides that "No person shall be held to answer for a capital, or otherwise infamous crime, unless on a presentment or indictment of a Grand Jury, except in cases arising in the land or naval forces, or in the Militia, when in actual service in time of War or public danger ..."

Question: Based on this passage, when can a person be held for a capital crime without benefit of presentment?. Explanation:
This is the relevant information: The Fifth Amendment to the United States Constitution provides that "No person shall be held to answer for a capital, or otherwise infamous crime, unless on a presentment or indictment of a Grand Jury, except in cases arising in the land or naval forces, or in the Militia, when in actual service in time of War or public danger ...