The Brazilian Navy wants to improve the radar capabilities of its OPVs. (Victor Barreira)

As part of an effort to update its Amazonas-class offshore patrol vessels (OPVs), the Brazilian Navy is acquiring a new air and surface search radar with identification friend-or-foe capability (IFF), according to the Navy Weapon Systems Directorate (Diretoria de Sistemas de Armas da Marinha: DSAM).

The Brazilian Naval Commission in Washington, DC, (Comissão Naval Brasileira em Washington: CNBW) on behalf of the DSAM has

The first of two Textron T-54s delivered to the US Navy, intended to replace the T-44s. The deliveries were announced on 22 April. (US Navy)

US Naval Air Systems Command (NAVAIR) accepted delivery of the first two Textron T-54 Multi-Engine Training System (METS) aircraft at Naval Air Station (NAS) Corpus Christi, Texas, the service announced on 22 April. The aircraft are set to begin training students at NAS Corpus Christi's Training Air Wing Four in boreal spring 2025, the US Navy (USN) told Janes .

Singapore's fourth Type 218SG submarine, seen here before its launch ceremony on 22 April 2024. (Singapore Ministry of Defence)

German shipbuilder ThyssenKrupp Marine Systems (TKMS) has launched the last of four Invincible-class (Type 218SG) air-independent propulsion (AIP)-equipped diesel-electric submarines (SSKs) on order for the Republic of Singapore Navy (RSN).

The vessel, which will be known in service as RSS Inimitable once commissioned, was launched on 22 April at TKMS' facilities in Kiel, Germany, the Singapore Ministry of Defence (MINDEF) announced in a statement on the same day.