Annual Report 2012: Spain’s National Preventive Mechanism Emergency and Rescue Service (abbreviated as SAMUR in Spanish) organizes a course in first aid, which 25% of the personnel had already taken. In this current operation, only one of the five persons to be repatriated had a passport, which is why the Nigerian Embassy in Madrid issued four emergency travel certificates. Lastly, the inspection team was informed that there is no officially established form which persons being repatriated could use to submit written complaints in respect to the deportation operations. The police forces consisted of agents from the different participating countries. Spanish police were not wearing uniforms or identification badges Persons being repatriated by Spain came from the Immigrant Detention Centers of Valencia, Saragossa and Madrid 226. The police forces, consisting of police agents from the countries who were repatriating in this case Nigerian citizens, were joined by 11 national police agents members of the Central Unit for Deportation and Repatriation, two of whom were women, given that one of the persons expelled by Spain was a wom­ an. The personnel of the Central Unit for Deportation and Repatriation partici­ pating in these operations do not wear their uniform and are not identified with their badge numbers. However, they wear at all times reflecting vests which iden­ tify them as police agents, similar to the ones used by the police agents of other countries in FRONTEX repatriation operations, as was noted with the police agents guarding the persons repatriated on this flight by Greece, Portugal, Hol­ land, France, Germany, Sweden and Norway. This Institution believes that this deficiency must be corrected, so that the returnees can know the identification of the police agents guarding them, without having to ask for that information. 227. The five persons repatriated by Spain arrived at the Central Unit for Depor­ tation and Repatriation facilities in two partitioned police vehicles transporting, respectively, a woman from the Immigrant Detention Center (abbreviated as CIE in Spanish) of Valencia and a man from a prison in Saragossa. In addition, three men were transferred from the Madrid Immigrant Detention Center in a van. As can be seen in the following pictures, the van has a closed compartment for the persons being transferred, consisting of a metal bench for two persons but no seat belts, which should be corrected as the absence of this passive security element for detainees could jeopardize their physical integrity, in accordance with what was stated in paragraph 214 of the 2011 Annual Report. Photograph 61 Inside the van 156 THE OMBUDSMAN OF SPAIN