[3][4] Adaci served at various posts within the navy and the PMA, as he is primarily specialized in naval operations, education and training, and personnel management and administration skills.

[3] In 2018, Adaci was named as commander of the Fleet-Marine Ready Force, where he spearheaded 11 International Defense and Security Engagements (IDSE), including the Philippine Navy's first participation during the Rim of the Pacific (RIMPAC) Exercise in Hawaii, the Navy's first-ever port visit in Vladivostok, Russia, and the first-ever participation of the Philippine Navy in a naval exercise with China, which were all held throughout in 2018.

In 2020, he also inspected the overall planning and deployment of the Naval Task Force 82, which consisted the BRP Ramon Alcaraz (PS-16) and the BRP Davao del Sur (LD-602) to the Middle East as part of the repatriation missions for stranded overseas Filipino workers (OFWs) displaced by the US-Iran crisis due to the assassination of Qasem Soleimani.

[9] The operations also led to the surrender of various individuals who served as members of the New People's Army and the Abu Sayyaf.

[18][19] As Flag Officer-in-Command, Adaci vowed to strengthen the Navy's forces through supporting the modernization program, while intensifying naval operations within the West Philippine Sea.

[24] Adaci Jr. terminated his tour of duty as the first FOIC three-year termer (Republic Act No.