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Joseph T. O'Callahan
Joseph Timothy O'Callahan (May 14, 1905 – March 18, 1964) was a Jesuit priest and, during World War II, a United States Navy chaplain. He was awarded the U.S. military's highest decoration, the Medal of Honor, for his actions during and after an attack on the aircraft carrier aboard which he was serving, . Early years and career O'Callahan was born on May 14, 1905, in the Roxbury neighborhood of Boston, Massachusetts. He joined the Society of Jesus (Jesuits) in 1922, shortly after graduating from Boston College High School. He began the 13 years of training required of a Jesuit at St. Andrew's College, Poughkeepsie, New York, where he received the Bachelor of Arts degree in 1925 and his Master of Arts degree in 1929, specializing in mathematics and physics in addition to religious philosophy. He was ordained to the Roman Catholic priesthood as a member of the Jesuit order in 1934. He was a professor of mathematics, philosophy, and physics at Boston College from 1927 to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mathematics
Mathematics is an area of knowledge that includes the topics of numbers, formulas and related structures, shapes and the spaces in which they are contained, and quantities and their changes. These topics are represented in modern mathematics with the major subdisciplines of number theory, algebra, geometry, and analysis, respectively. There is no general consensus among mathematicians about a common definition for their academic discipline. Most mathematical activity involves the discovery of properties of abstract objects and the use of pure reason to prove them. These objects consist of either abstractions from nature orin modern mathematicsentities that are stipulated to have certain properties, called axioms. A ''proof'' consists of a succession of applications of deductive rules to already established results. These results include previously proved theorems, axioms, andin case of abstraction from naturesome basic properties that are considered true starting points of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ammunition
Ammunition (informally ammo) is the material fired, scattered, dropped, or detonated from any weapon or weapon system. Ammunition is both expendable weapons (e.g., bombs, missiles, grenades, land mines) and the component parts of other weapons that create the effect on a target (e.g., bullets and warheads). The purpose of ammunition is to project a force against a selected target to have an effect (usually, but not always, lethal). An example of ammunition is the firearm cartridge, which includes all components required to deliver the weapon effect in a single package. Until the 20th century, black powder was the most common propellant used but has now been replaced in nearly all cases by modern compounds. Ammunition comes in a great range of sizes and types and is often designed to work only in specific weapons systems. However, there are internationally recognized standards for certain ammunition types (e.g., 5.56×45mm NATO) that enable their use across different weapo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hangar Deck
A hangar is a building or structure designed to hold aircraft or spacecraft. Hangars are built of metal, wood, or concrete. The word ''hangar'' comes from Middle French ''hanghart'' ("enclosure near a house"), of Germanic origin, from Frankish *''haimgard'' ("home-enclosure", "fence around a group of houses"), from *''haim'' ("home, village, hamlet") and ''gard'' ("yard"). The term, ''gard'', comes from the Old Norse ''garðr'' ("enclosure, garden"). Hangars are used for protection from the weather, direct sunlight and for maintenance, repair, manufacture, assembly and storage of aircraft. History The Wright brothers stored and repaired their aircraft in a wooden hangar constructed in 1902 at Kill Devil Hills in North Carolina for their glider. After completing design and construction of the ''Wright Flyer'' in Ohio, the brothers returned to Kill Devil Hills only to find their hangar damaged. They repaired the structure and constructed a new workshop while they waited for th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Operation Leader
Operation Leader was an air attack conducted against German shipping in the vicinity of Bodø, Norway, on 4 October 1943, during World War II. The raid was executed by aircraft flying from the United States Navy aircraft carrier , which was attached to the British Home Fleet. The American airmen located many German and Norwegian ships in this area, destroyed five and are believed to have damaged another seven. Two German aircraft searching for the Allied fleet were shot down. Three American aircraft were destroyed in combat during the operation, and another crashed while landing. The attack followed a two-year lull in Allied aircraft carrier operations against Norway and took the German occupation forces by surprise. The choice of target was guided by intelligence gained from decoding German radio signals and reports from Norwegian Secret Intelligence Service agents; two Norwegian airmen flew with the attack force to provide advice on the local geography. In addition to sinki ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Operation Torch
Operation Torch (8 November 1942 – Run for Tunis, 16 November 1942) was an Allies of World War II, Allied invasion of French North Africa during the Second World War. Torch was a compromise operation that met the British objective of securing victory in North Africa while allowing American armed forces the opportunity to engage in the fight against Nazi Germany on a limited scale. It was the first mass involvement of US troops in the Mediterranean and Middle East theatre of World War II, European–North African Theatre, and saw the first major airborne assault carried out by the United States. While the French colonies were formally aligned with Germany via Vichy France, the loyalties of the population were mixed. Reports indicated that they might support the Allies. American General Dwight D. Eisenhower, supreme commander of the Allied forces in Mediterranean Theater of Operations, planned a three-pronged attack on Casablanca (Western), Oran (Center) and Algiers (Easter ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Commander
Commander (commonly abbreviated as Cmdr.) is a common naval officer rank. Commander is also used as a rank or title in other formal organizations, including several police forces. In several countries this naval rank is termed frigate captain. Commander is also a generic term for an officer commanding any armed forces unit, for example "platoon commander", "brigade commander" and "squadron commander". In the police, terms such as "borough commander" and "incident commander" are used. Commander as a naval and air force rank Commander is a rank used in navies but is very rarely used as a rank in armies. The title, originally "master and commander", originated in the 18th century to describe naval officers who commanded ships of war too large to be commanded by a lieutenant but too small to warrant the assignment of a post-captain and (before about 1770) a sailing master; the commanding officer served as his own master. In practice, these were usually unrated sloops-of-war of no ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Naval Reserve
The United States Navy Reserve (USNR), known as the United States Naval Reserve from 1915 to 2005, is the Reserve Component (RC) of the United States Navy. Members of the Navy Reserve, called Reservists, are categorized as being in either the Selected Reserve (SELRES), the Training and Administration of the Reserve (TAR), the Individual Ready Reserve (IRR), or the Retired Reserve. Organization The mission of the Navy Reserve is to provide strategic depth and deliver operational capabilities to the Navy and Marine Corps team, and to the Joint forces, in the full range of military operations from peace to war. The Navy Reserve consists of 59,152 officers and enlisted personnel who serve in every state and territory as well as overseas as of September 2020. Selected Reserve (SELRES) The largest cohort, the Selected Reserve (SELRES), have traditionally drilled one weekend a month and performed two weeks of active duty annual training during the year, receiving base pay and certa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lieutenant (junior Grade)
Lieutenant junior grade is a junior commissioned officer rank used in a number of navies. United States Lieutenant (junior grade), commonly abbreviated as LTJG or, historically, Lt. (j.g.) (as well as variants of both abbreviations), is a junior commissioned officer rank of the United States Navy, the United States Coast Guard, the United States Public Health Service Commissioned Corps, and the National Oceanic and Atmospheric Administration Commissioned Officer Corps (NOAA Corps). LTJG has a US military pay grade of O-2,10 USC 5501 Navy: grades above chief warrant officer, W–5 Pay grades: assignment to; general rules and a [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saint Vincent Hospital
Saint Vincent Hospital is a 381-bed hospital located in Worcester, Massachusetts. Founded by the Catholic Sisters of Providence of Holyoke in 1893, Saint Vincent's was named after the patron saint of the Sisters' order, Saint Vincent de Paul. In 1990, the hospital merged with the Fallon Healthcare System. Vanguard Health Systems purchased the hospital in 2005. In 2021, nurses went on strike at the hospital, which by this time was owned by Tenet Healthcare. 2021 Nurse strike In around 2019, the management of the hospital and the union representatives from the Massachusetts Nurses Association, initiated a negotiation regarding pay and staffing levels at the hospital. According to the management of the hospital, a labor contract proposal between the two involved parties included a "substantial" pay increase for the nurses. As of June 2021, the two groups had still not come to an agreement regarding staffing levels. The management of the hospital claims that the demands from the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John V
John V may refer to: * Patriarch John V of Alexandria or John the Merciful (died by 620), Patriarch of Alexandria from 606 to 616 * John V of Constantinople, Patriarch from 669 to 675 * Pope John V (685–686), Pope from 685 to his death in 686 * John V of Jerusalem, Greek Orthodox Patriarch of Jerusalem in 706–735 * John V the Historian or Hovhannes Draskhanakerttsi, Catholicos of Armenia from 897 to 925 * John V of Gaeta (1010–1040) * John V of Naples (died 1042), Duke from 1036 to 1042 * John V, Count of Soissons, (1281–1304) * John V, Margrave of Brandenburg-Salzwedel (1302–1317) * John V Palaiologos (1332–1391), Byzantine Emperor from 1341 * John V, Count of Sponheim-Starkenburg (1359–1437), German nobleman * John V, Lord of Arkel (1362–1428) * John V, Duke of Brittany (1389–1442), Count of Montfort * John V, Duke of Mecklenburg (1418–1443) * John V, Count of Hoya (died 1466), nicknamed ''the Pugnacious'' or ''the Wild'' * John V, Count of Armagnac (1420–1473 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
College Of The Holy Cross
The College of the Holy Cross is a private, Jesuit liberal arts college in Worcester, Massachusetts, about 40 miles (64 km) west of Boston. Founded in 1843, Holy Cross is the oldest Catholic college in New England and one of the oldest in the United States. Opened as a school for boys under the auspices of the Society of Jesus, it was the first Jesuit college in New England. Holy Cross sports teams are called the Crusaders and their sole color is purple; they compete in NCAA Division I as members of the Patriot League. History Beginnings Holy Cross was founded by The Rt Rev. Benedict Joseph Fenwick, S.J., second Bishop of Boston, after his efforts to find a Catholic college in Boston were thwarted by the city's Protestant civic leaders. From the beginning of his tenure as bishop, Fenwick intended to establish a Catholic college within the boundaries of his diocese. Relations with Boston's civic leaders worsened such that, when a Jesuit faculty was finally secur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
