Following her commissioning Espora participated in several naval exercises and conducted fishery patrol duties in the Argentine exclusive economic zone, capturing four illegal fishing ships between 1991 and 1994.

The intention was to join the IBSAMAR III exercise with India, Brazil and South Africa, but Espora had made the unscheduled deployment with malfunctioning generators and these had got worse en route until they finally stopped working on 9 October.

[3] Meanwhile, the South Africans had to reassure the Argentines that Espora would not be vulnerable like the sail training ship ARA Libertad, which was seized in Ghana on behalf of holders of Argentina's defaulted sovereign debt.

[5] In 2021, Espora was reported active and, in September, participated in a sea exercise also involving her sister ships Spiro, Robinson and Gómez Roca, along with the destroyer Sarandí.

[6] In 2022, she again participated in an exercise off the coast of Mar del Plata with Sarandí, Robinson, the corvette Rosales and the transport ship Canal Beagle.