Its specialty is high altitude mission insertions through the use of HAHO and HALO jumps and reconnaissance of landing zones for other paratroopers to be dropped.

It is a key element for aerial infiltration, through operational free fall (using HALO and HAHO jumps), although the unit can be inserted by sea or ground transport.

There are two days of tests in which the aim is to prove the physical and psychological endurance, the spirit of body and sacrifice necessary for the performance of the future precursor.

Phase A The subjects taught are: Weapons, shooting, transmissions, topography, sappers, reconnaissance, patrols, close combat, first aid, technique of overcoming obstacles, nautical sports, survival, combat in urbanized areas, escape and evasion, military physical education.

The course lasts for 10 weeks, after which the trainee will be able to: Get the maximum performance from the armament; Get the most out of your transmission equipment; Guide yourself as a member of a prec team using topographic maps, GPS, etc.