Chehalis was launched 8 June 1968 at the Tacoma Boatbuilding Company.

The vessel was named in honor of Chehalis, a city in Washington state.

[1] Later, she was transferred to Naval Sea Systems Command and renamed Research Vessel Athena.

The Chehalis was powered by a combination of two Cummins diesel engines and a General Electric LM-1500 gas turbine.

This article about a specific ship or boat of the United States Armed Forces is a stub.