The BAMs are a common platform for a variety of missions, used to develop whole families of types of ships that meet the diverse needs of the Spanish Navy.

[5][6][7] Two additional offshore patrol vessels (BAM III) were approved for acquisition in 2023 at a cost of 550 million Euros.

[9] In June 2009, the Secretary of State for Defence and Congress confirmed the construction of a second batch to replace older patrol boats of the Anaga (3), Toralla (2), Descubierta (4) and the now-retired Barceló (6) and Conejera (4) classes.

The acquisition of two vessels, to enter service in 2019, was formally approved by the Spanish cabinet on 18 July 2014 at a cost of €166.74m (US$224m) each.

[11] In June 2023, after the approval of the Treasury, the Council of Ministers began the procedures for the construction of two new BAMs for maritime patrol, with extensive anti-submarine warfare capabilities, for 550 million euros.