The Galicia and the Castilla are 13,900t logistic support ships, based at the Rota, Cadiz, naval base in Spain. They are capable of a speed of 20kt and have a range over 6,000 nautical miles.

They were built by Izar (then Bazan) at the Ferrol shipyard and the vessels were commissioned in 1998 and 2000, respectively.

The F100 is a 5,800t multipurpose frigate built by the Spanish shipbuilder, Izar (formerly E.N. Bazan). In February 2005, the naval shipbuilding activities of Izar were spun off into a new company, Navantia.