The U.S. Coast Guard says rotten wood and poor inspections appear to have played roles in the collapse of the mast of a historic Maine schooner in an accident that killed one person and injured several others.

U.S. military bases across the Pacific went on alert and braced for potential tsunamis after a powerful earthquake struck eastern Russia, triggering widespread warnings and precautionary evacuations, though no significant impact was reported.

The U.S. Coast Guard rescued five people suffering from hypothermia and seasickness after a boat was reported to be taking on water in Lake Michigan Wednesday night.

A change of command ceremony at the U.S. Coast Guard Academy on Wednesday that bid farewell to Superintendent Rear Adm. Michael Johnston and welcomed his successor, Rear Adm. Gregory Rothrock, was steeped with the kinds of pomp and protocol that traditionally mark such military transfers of responsibility.

The commanding officer of the U.S. Coast Guard’s Centralized Service Desk, which provides tech support for about 400 Coast Guard systems, was temporarily relieved of command.

Four U.S. Coast Guard aircrew members received military medals for their heroism during catastrophic flash flooding at Camp Mystic in Hunt, Texas.

Adm. Kevin Lunday, the Coast Guard’s acting commandant, and other service leaders said the infusion of funds was the largest one-time boost that the service has received since it was founded in 1790. 

After competing for five seasons on American Ninja Warrior, Coast Guard Chief Petty Officer Deren Perez, known as the “Guahan Ninja,” slammed the buzzer, completing the challenging obstacle course with a time of 2:45:65 and earning a place among the top-10 finishers. 

The vessel will be moored at Pier 66, offering free public tours from 1 p.m. to 4 p.m., Wednesday and 10:30 a.m. to 7 p.m., Thursday.

Coast Guard rescue swimmer Scott Ruskan touched down by helicopter at Camp Mystic after treacherous weather in Texas improved just enough to reach the site of devastating and deadly flooding.