HRS §121-33
Interference by civilian, penalty
This section lets a commanding officer set the boundaries of a parade or encampment while on duty. If you enter those boundaries after being told not to, or bother or block an officer or soldier on duty, you commit a crime. You can be held under guard and handed to police.
everyone
The statute, as written — Interference by civilian, penalty
Every commanding officer when on duty may ascertain and fix the necessary bounds and limits to the commanding officer's parade or encampment. Whoever intrudes within the limits of the parade or encampment after being forbidden, or whoever interrupts, molests, or obstructs any officer or soldier while on duty shall be guilty of a misdemeanor and shall be punishable by a fine not exceeding $25. The person may be put and kept under guard until the parade, encampment, or duty is concluded. The commanding officer, as soon as practicable, shall turn over the person to any police officer.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.