After a two-month delay, a U.S. Coast Guard project to replace Navigational Aid #1 on the south side of Channel Islands Harbor breakwater is now complete. In mid-December 2024, crews easily plucked the 50-foot, 6,000-pound pole off the breakwater but had difficulties replacing it with a new one. Flash forward to today, crews replaced the navigational aid with ease. Why are navigational aids important? Navigational aids are crucial for boaters because they act as “road signs” on the water, guide

#OnThisDay 1976: Tomorrow’s World headed to West Germany to try out a new navigational aid that looked a lot like sat-nav. | BBC Archive

The history of the Alligator Reef Lighthouse begins with a shipwreck and a critical need for a navigational aid. Here is a timeline of its history: The Origin of the Name (1822) The lighthouse is named after the U.S. Navy schooner USS Alligator. In 1822, this vessel, part of an anti-piracy squadron, ran aground on the treacherous reef. After attempts to salvage it failed, the Navy blew up the ship to prevent it from falling into the hands of pirates. This incident, along with countless other shi