Knox RW. Two-Star Fix — A Letter to the Editor from Rear Admiral Robert W. Knox, USC&GS (Ret) formerly a Director of the International Hydrographic Bureau. IHR [Internet]. 2015 Jul. 8 [cited 2024 Dec. 21];53(2). Available from: https://journals.lib.unb.ca/index.php/ihr/article/view/23724