Mare Aperto The USS Truxtun and German ship FGS Spessart perform a refueling during Mare Aperto in the Tyrrhenian Sea, Oct. 19, 2022. The maritime exercise is designed to test the combat readiness of participating forces through realistic multi-domain scenarios. SHARE: Download: Full Size (1.73 MB) Tags: Mare Aperto Credit: Navy Petty Officer 3rd Class Porsha Thompson VIRIN: 221019-N-OK195-1208M.JPG Photo Gallery