Hawaii Organic Act § 67

That the governor shall be responsible for the faithful execution of the laws of the United States and of the Territory of Hawaii within the said Territory, and whenever it becomes necessary he may call upon the commanders of the military and naval forces of the United States in the Territory of Hawaii, or summon the posse comitatus, or call out the militia of the Territory to prevent or suppress lawless violence, invasion, insurrection, or rebellion in said Territory, and he may, in case of rebellion or invasion, or imminent danger thereof, when the public safety requires it, suspend the privilege of the writ of habeas corpus, or place the Territory, or any part thereof, under martial law until communication can be had with the President and his decision thereon made known.