His service included the post of chaplain of the Catholic church at United States Fleet Activities Yokosuka, an American naval base in Japan from 1959 to 1961.
1983, at St. Patrick's Cathedral in Manhattan from Cardinal Terence Cooke, with Archbishop Joseph Thomas Ryan and Bishop Louis Edward Gelineau serving as co-consecrators.
[2][5] As archbishop, he served over one million U.S. Catholics in all the armed forces, the Department of Veterans Affairs and those in government service overseas, and their dependents.
[1] In January 1993, Dimino he expressed his opposition to allowing LBGT persons to serve in the military to President Bill Clinton, saying that admitting gay men would have "disastrous consequences for all concerned.
While archbishop, Dimino added his support to a campaign started by Pope Paul II to eliminate the use of land mines.