of the San Juan river, a military operation called Operation Sovereiynty for the purpose of: destroying and neutralizing groups of irregular forces present in that part of the territory of Nicaragua. To carry out that operation , on 29 May the Sandinista People’s Army occupied positions in the area known as Machuca y Raudal La Campana. The operation continued on that side of the river until they reached, Bevera days later, a site known as La Penca, where they eeized an encampment of those irregular forcea. According to the version of the Chief of the Fifth Military Region of Nicaragua, Cornandante Roberto Calderbn, on 30 May at the Machuca arear at 0800 hours, there was a first Confrontation between units of the Sandinl5ta People’5 Army located on the Nicaraguan side of the river and troops which he identified as “contraa” number ing about 60, in Camouflage uniforms, on the Costa Rican side of the river, in the area known as Las Crucitas. As a result of the ensuing exchange of fire from mortars, rockets, and machine guns, seven troops that attempted to cross the river heading to the Nicaraguan side were said to have been killed. According to the same version, upon leaving Las Crucitae the above-mentioned armed group destroyed with a LAW rocket the houoe identified as number 2 in appendix 1, located in Coota Rican territory. The Nicaraguan authoritiee stated that at 0700 hours on 31 May, in the same place, there occurred another exchange of fire between the Sandinista People’s Army and troops that they identified as “contrasV8 located on the Costa Rican side. Comandante Calder6n informed that in that combat, which lasted for approximately 20 minutes, his troop5 destroyed the house identitied as number 1 in appendix 1, also located in Costa Rican territory. He also said that both the houses, number 1 
**Analysis**
The text appears to be a military report detailing an operation between the Sandinista People's Army and "irregular forces" or "contras" along the San Juan river. The report mentions the exchange of fire, destruction of houses, and casualties. The context suggests that this is a conflict related to national security, territorial disputes, or political instability, which is not directly related to economic or social development.

**Category**
Military, Humanitarian aid and relief