The POVZEE vessels feature stealth technology with reduced radar and infrared signatures as well as special design to minimize the propulsion system's noise emissions and vibrations.

The first ship, Guaiquerí was launched by Spanish state-owned shipbuilder, Navantia, at their Cadiz shipyard on 24 June 2009.

[2] On 3 August 2012, Warao grounded on a reef off Fortaleza, Brazil when arriving for the joint exercise "VenBras-2012" with the Brazilian Navy.

[3] The hull and propulsion system were heavily damaged and it was decided to repair her in Brazil with assistance from Navantia.

[4] In March 2013 she arrived at the naval dockyard at Rio de Janeiro aboard Dutch heavy-lift dock Rolldock Sea.