ALL THE SHIPS OF THE 1st SQUADRON WERE BUILT IN TWO SERIES IN NAVANTIA SHIPYARDS, CARTAGENA, SPAIN,
FOR THE FIRST SERIES WERE LAUNCHED FOUR MINESWEEPERS: “SEGURA”, “SELLA”, “TAMBRE” AND “TURIA” AND TWO ON THE SECOND, “DUERO” AND THIS “TAJO”.

ALL SHIPS WERE CONSTRUCTED IN FIBER REINFORCED PLASTIC (GRP), WHICH PROVIDES A REDUCED MAGNETIC SIGNATURE AND A HIGH RESISTANCE TO SHOCK PRODUCED BY UNDERWATER EXPLOSIONS