This technical note describes the design, development, and validation of Missi1, a software application developed to simplify the management of job’s travel at the Rome 1 Section of the Istituto Nazionale di Geofisica e Vulcanologia (INGV). The system was created to address the limitations of the previously used software, which was fragmented, poorly integrated, and misaligned with operational and regulatory requirements. Missi1 was developed following a sequential development approach, complemented by iterations inspired by the Agile model to incorporate user feedback. Based on tools from the Google Suite, the software covers all phases of a mission’s life cycle: initiation, approval, advance request, closure, and settlement. Its strengths include centralized information management,...