Empire Galahad was built by Lithgows in Port Glasgow for the Ministry of War Transport. She was launched on Monday 18 May 1942. Empire Galahad spent the war years under the management of Blue Star Line.
Empire Galahad was a member of the following convoys:-
• KMS.83, which sailed from Liverpool on 6 February 1945 and arrived at Gibraltar on 12 February. Empire Galahad was in ballast, and sailed from Milford Haven, with an eventual destination of the River Plate She was armed with a gun and eight machine guns.
In 1946 she was bought by Blue Star and renamed Celtic Star, being quickly sold to Lamport & Holt Line and renamed Murillo, the second Lamport & Holt ship to carry that name. In 1952 she was sold to Industriale Maritime and renamed Bogliasco, sailing under the Italian flag. She served for nine years before being sold to Ocean Spg & Enterprises in 1963 and being renamed Ocean Peace, sailing under the Panamanian flag . She was sold for scrap in 1967, and arrived at Kaohsiung, Taiwan for scrapping on 12 September 1967.