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In 1941, Gallinghouse enlisted in the [[United States Navy]], with assignments in the European Theater of Operations, including North Africa, [[Sicily]], [[Italy]], and southern [[France]]. In 1945, he participated in the planned invasion of [[Japan]], which never occurred after the dropping of the atomic weapons on [[Hiroshima]] and [[Nagasaki]] and [[V-J Day]]. While on military duty in various locations, Gallinghouse also pursued selective studies at [[Columbia University]], the [[Harvard University|Harvard]]  School of Business, and the [[University of Notre Dame]] in South Bend, [[Indiana]].<ref name=obit/>

In 1941, Gallinghouse enlisted in the [[United States Navy]], with assignments in the European Theater of Operations, including North Africa, [[Sicily]], [[Italy]], and southern [[France]]. In 1945, he participated in the planned invasion of [[Japan]], which never occurred after the dropping of the atomic weapons on [[Hiroshima]] and [[Nagasaki]] and [[V-J Day]]. While on military duty in various locations, Gallinghouse also pursued selective studies at [[Columbia University]], the [[Harvard University|Harvard]]  School of Business, and the [[University of Notre Dame]] in South Bend, [[Indiana]].<ref name=obit/>

==Political and legal career==

==Political life==

From 1948 until 1961, Gallinghouse was affiliated with the New Orleans law firm of Deutch, Kerrigan & Styles. [[Governor]] [[Jimmie Davis]] named him president of the Orleans Levee Board from 1960 to 1964, in which capacity he was involved in [[hurricane]] flood protection. He made hundreds of speeches on the need to be prepared for weather disasters. For a year, Gallinghouse was a municipal judge in [[New Orleans|Orleans Parish]].<ref name=obit/>

From 1948 until 1961, Gallinghouse was affiliated with the New Orleans law firm of Deutch, Kerrigan & Styles. [[Governor]] [[Jimmie Davis]] named him president of the Orleans Levee Board from 1960 to 1964, in which capacity he was involved in [[hurricane]] flood protection. He made hundreds of speeches on the need to be prepared for weather disasters. For a year, Gallinghouse was a municipal judge in [[New Orleans|Orleans Parish]].<ref name=obit/>

In 1968, Gallinghouse switched parties to work in the campaign for  [[Republican Party|Republican]] [[Richard M. Nixon]] for the  presidency even though his state voted that year for [[George Wallace]], the former governor of [[Alabama]], who ran as the nominee of the American Independent Party. He headed the group known as United Citizens for Nixon. After the presidential race, Gallinghouse became the state Republican finance chairman, having succeeded [[Allison Kolb]], another Democrat-turned Republican figure.<ref name=mph>"Finance Chairman Named for Louisiana Republicans," ''[[Minden Press-Herald]],'' January 27, 1969, p. 4.</ref> In 1969, Gallinghouse was the general chairman of the Louisiana State Republican Convention, at which then [[U.S. Representative]] Dan Heflin Kuykendall (1924-2008) of [[Tennessee]]'s 9th congressional district, since disbanded, was the featured speaker.<ref>"Tennessee Congressman to Be Speaker at Republican Meet," ''Minden Press-Herald,'' February 25, 1969, p. 2.</ref>

In 1968, Gallinghouse switched parties to work in the campaign for  [[Republican Party|Republican]] [[Richard M. Nixon]] for the  presidency even though his state voted that year for [[George Wallace]], the former governor of [[Alabama]], who ran as the nominee of the American Independent Party. He headed the group known as United Citizens for Nixon. After the presidential race, Gallinghouse became the state Republican finance chairman, having succeeded [[Allison Kolb]], another Democrat-turned Republican figure.<ref name=mph>"Finance Chairman Named for Louisiana Republicans," ''[[Minden Press-Herald]],'' January 27, 1969, p. 4.</ref> In 1969, Gallinghouse was the general chairman of the Louisiana State Republican Convention, at which then [[U.S. Representative]] Dan Heflin Kuykendall (1924-2008) of [[Tennessee]]'s 9th congressional district, since disbanded, was the featured speaker.<ref>"Tennessee Congressman to Be Speaker at Republican Meet," ''Minden Press-Herald,'' February 25, 1969, p. 2.</ref>

In 1970, President Nixon appointed Gallinghouse as the prosecuting attorney for the United States District Court for the Eastern District of Louisiana. In 1974, he was reappointed by President [[Gerald Ford|Gerald R. Ford, Jr.]] He remained on duty for the first year of the Democrat [[Jimmy Carter]] administration too.<ref name=obit/>

In 1970, President Nixon appointed Gallinghouse as the prosecuting attorney for the United States District Court for the Eastern District of Louisiana. In 1974, he was reappointed by President [[Gerald Ford|Gerald R. Ford, Jr.]] He remained on duty for the first year of the Democrat [[Jimmy Carter]] administration too.<ref name=obit/>