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Frederick Rock was born in 1840 in the German state of Hesse-Darmstadt and came to the United States with his family while still a child, becoming closely associated with Cleveland, Ohio. Before the American Civil War he spent time in Canada working in farming, but when the conflict began he returned to Cleveland and entered Union military service in 1861. Rock enlisted as a Private and was assigned to Company A of the 37th Ohio Volunteer Infantry, a predominantly German-American regiment organized in Ohio and mustered into Federal service in the autumn of 1861. Throughout his verified military record, Private remained his rank; no reliable evidence has established a later promotion, making Private both his rank during his Medal of Honor action and his highest verified rank. The 37th Ohio initially served in operations in the Kanawha Valley of western Virginia before eventually moving west and joining the Fifteenth Army Corps. By early 1863 the regiment was serving in Major General William T. Sherman's forces during the campaign against Vicksburg, Mississippi, one of the Confederacy's most strategically important strongholds on the Mississippi River. Control of Vicksburg was essential because Confederate possession of the city allowed the South to maintain a strong defensive position over river traffic and communications. Union forces therefore began a series of operations intended to surround and capture the city. The 37th Ohio became part of Brigadier General Hugh Ewing's brigade in Major General Francis P. Blair's division of Sherman's Fifteenth Corps, placing Frederick Rock directly in the fighting around the Confederate defenses. After an unsuccessful Union assault on May 19, another major attack was ordered for May 22, 1863. The Confederate fortifications confronting Sherman's men included the powerful Stockade Redan and a deep defensive ditch that made a direct infantry assault extraordinarily difficult. To give the attacking regiments a chance to cross the ditch and reach the defensive works, a volunteer advance party of approximately 150 men was organized. These soldiers became known as the volunteer storming party or, in the language of the time, the "Forlorn Hope." Their task was to move ahead of the main assault while carrying materials needed to bridge the ditch and facilitate the advance against the Confederate fortifications. Frederick Rock volunteered for this dangerous mission. At approximately 10:00 a.m. on May 22, the volunteer storming party moved rapidly toward the Confederate works along the exposed approach to the Stockade Redan. The men immediately encountered intense defensive fire. The narrow route, strong Confederate positions, deep ditch, and concentrated fire made the assault exceptionally hazardous, and the attacking forces were unable to break through the defenses. Rock nevertheless took part in the charge and survived the action. His participation in this volunteer assault became the defining military event of his life. The official Medal of Honor citation later summarized his conduct simply as gallantry in the charge of the volunteer storming party. The concise wording reflects the early character of many Civil War Medal of Honor citations, which frequently described the recognized act in only a few words rather than providing the detailed narratives found in many later awards. Rock's action was direct infantry ground combat. He was a Private in Company A, 37th Ohio Infantry, advancing as part of a deliberately selected volunteer force against prepared enemy defenses. For the VictoriaCross.ca database, his Combat Achievement Modifier is therefore correctly classified as Infantry, while his metadata appropriately identifies him with the United States Army, ground combat, and the American Civil War. The May 22 assault did not immediately bring Vicksburg under Union control. After the failed direct attacks, General Ulysses S. Grant shifted increasingly toward siege operations. Vicksburg ultimately surrendered on July 4, 1863, giving the Union control of a critical section of the Mississippi River and marking one of the most important strategic victories of the Civil War. The 37th Ohio continued its wartime service after Vicksburg and participated as a regiment in subsequent Union operations, although Rock's individual service record requires an important qualification. Institutional historical records state that he later left his regiment without authorization and was carried on Army records as a deserter beginning April 28, 1864, until the end of his recorded service in 1865. This administrative record does not change what he had done at Vicksburg in 1863, and it did not prevent the United States government from later formally recognizing his gallantry there. Decades after the Civil War, the War Department reviewed the records of the men who had volunteered for the dangerous Vicksburg storming party. Frederick Rock was formally issued the Medal of Honor on August 10, 1894, more than thirty-one years after his battlefield action. The official War Department Medal of Honor register records Frederick Rock as a Private of Company A, 37th Ohio Infantry, identifies Vicksburg on May 22, 1863 as the place and date of his recognized action, and gives August 10, 1894 as the date of issue. The Medal of Honor itself had been established during the Civil War. Congress authorized the Army Medal of Honor in 1862, creating what became the nation's highest military decoration. Because Rock's medal was issued in 1894, his correct historical database representation is Medal of Honor 1862–1895 Army — 1894. The 1862–1895 designation refers to the Army Medal of Honor design and ribbon period applicable when his award was issued; it does not mean that his heroic action occurred in 1894. The action remains firmly dated to May 22, 1863, during the Siege of Vicksburg. No bar, clasp, service star, oak leaf cluster, or other device has been independently verified for Rock's Medal of Honor, so the decoration should be displayed without any additional device. Under the project's evidence rules, no separate Civil War Campaign Medal has been added to Rock's verified ribbon rack. He unquestionably served in the Union Army during the Civil War and lived for many years after the Army Civil War Campaign Medal was created, but historical eligibility based on service dates is not by itself sufficient for this project. No sufficiently strong recipient-specific issuance or entitlement evidence has been established for Frederick Rock, so that medal remains outside the final verified rack rather than being added by assumption. This follows the project's core rule that eligibility and personal entitlement are separate questions and that a smaller verified rack is preferable to a speculative one. After the war, Rock returned to civilian life. Historical records connect him again with Cleveland, where he worked as a laborer and watchman during the postwar years. He married Mary A. Rock, and later in life he relocated to Tampa, Florida. His Medal of Honor was awarded while he was still living, making him a living rather than posthumous recipient. His later life also illustrates the complexity of Civil War military records: the same man whose service record carried an adverse administrative notation for the latter part of his enlistment was nevertheless officially recognized by the United States for an independently documented act of gallantry performed earlier in the war. Rock lived into his eighties and died in Tampa in November 1924. He was buried in Woodlawn Cemetery in Tampa, where his burial remains associated with his status as a Medal of Honor recipient. Frederick Rock's verified military legacy therefore centers on one specific event: as a Private in Company A, 37th Ohio Infantry, he voluntarily joined the storming party that advanced against the Confederate defenses at Vicksburg on May 22, 1863. More than three decades later, that act was formally recognized with the Medal of Honor. His final verified database profile records his branch as United States Army, his rank at action as Private, his highest verified rank as Private, his combat specialty as Infantry, and his verified decoration as Medal of Honor 1862–1895 Army — 1894, with no additional device or clasp.
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