This report summarizes the two-year work (2023–2025) of the WATRA Working Group on Infrastructure Development (WG2), co-chaired by Nigeria and Senegal across four physical meetings. Key outputs include: 5G Deployment Guidelines, an NGSO Framework, Submarine Cable Resilience recommendations (following the March 2024 multi-country cable cuts), WRC-27 preparatory guidance, and Infrastructure Financing strategies. Outstanding work items deferred to 2026–2028 include a Unified Reporting Framework for terrestrial infrastructure and Harmonised QoS Regulations. The Group also delivered capacity-building sessions with partners including GSMA, ITU, Amazon Kuiper, and Nokia.