Tender Announcement From: Headquarters Of The Economic-Administrative Section 61 - Son San Juan Air Base. Object: Ea61-Contracting Technical Assistance Administrative Support Service To The Bodies, Groups And Sections Of The Expenditure Units Assigned To The Sea 61 B.A.. They Are San Juan, Its Economic Support Bodies, Authorizations And Juredelma Baleares. File: 2025/Ea61/00003629.