Question: What did Joe McCarthy's famous raid in 1943 attack?

Context paragraphs:
Operation Chastise: Operation Chastise was an attack on German dams carried out on 16–17 May 1943 by Royal Air Force No. 617 Squadron, subsequently publicised as the "Dam Busters", using a specially developed "bouncing bomb" invented and developed by Barnes Wallis.  The Möhne and Edersee Dams were breached, causing catastrophic flooding of the Ruhr valley and of villages in the Eder valley; the Sorpe Dam sustained only minor damage.  Two hydroelectric power stations were destroyed and several more were damaged.  Factories and mines were also either damaged or destroyed.  An estimated 1,600 civilians drowned: about 600 Germans and 1,000 mainly Soviet forced-labourers.  The damage was mitigated by rapid repairs by the Germans, but production did not completely return to normal until September.

A Conspiracy So Immense: A Conspiracy So Immense: The World of Joe McCarthy is a Hardeman Prize-winning book by David Oshinsky first published in 1983 by Free Press and later reprinted by Oxford University Press.  The book covers the life of Joseph McCarthy from his birth to his death.

Jean de Selys Longchamps: Baron Jean Michel P.M.G. de Selys Longchamps DFC (31 May 1912 – 16 August 1943) was a Belgian aristocrat and RAF fighter pilot during World War II who is chiefly notable for his 1943 attack on the Gestapo headquarters in Brussels in German-occupied Belgium.

Battle of Tebb's Bend Monument: The Battle of Tebb's Bend Monument in Taylor County, Kentucky, near Campbellsville, Kentucky, commemorates the Battle of Tebbs Bend, which occurred on July 4, 1863 during the Civil War.  The battle was essentially a Union victory, as it greatly delayed John Hunt Morgan's famous Raid that would later go into Indiana and Ohio.

Basil W. Duke: Basil Wilson Duke (May 28, 1838 – September 16, 1916) was a Confederate general officer during the American Civil War.  His most noted service in the war was as second-in-command for his brother-in-law John Hunt Morgan; Duke would later write a popular account of Morgan's most famous raid: 1863's Morgan's Raid.  He took over Morgan's command after Morgan was shot by Union soldiers in 1864.  At the end of the war, Duke was among Confederate President Jefferson Davis's bodyguards after his flight from Richmond, Virginia, through the Carolinas.

Joe McCarthy (RCAF officer): Joseph Charles "Big Joe" McCarthy, {'1': ", '2': ", '3': ", '4': "} (31 August 1919 – 6 September 1998) was an American aviator who served with the Royal Canadian Air Force in Bomber Command during World War II.  He is best known as the commander and pilot of Lancaster AJ-T ("T-Tommy") in Operation Chastise, the "Dambuster" raid of 1943.

Chihuahua (chief): Chihuahua or Chewawa, by the Apache also known as Kla-esh or Tłá’í’ez (“To push something under something else with your foot”) (about 1822/1825 – 25 July 1901) was chief of the Chokonen local group of the Tsokanende Band of Chiricahua Apache who carried out several raids on settlers in Arizona in the 1870s and 1880s.  His elder brother Ulzana (ca. 1821 - 1909), who would later became known as leader of a very famous raid through New Mexico and Arizona in 1885, was his war chief (segundo).

Joe McCarthy (Irish musician): Joe McCarthy (born Joseph Terence McCarthy, 6 August 1936, Cork, Ireland) is an Irish musician, who was for many years one of the best known faces of the showband group The Dixies.

Declaration of Conscience: The Declaration of Conscience was a speech made by U.S. Senator Margaret Chase Smith on June 1, 1950, less than four months after Senator Joe McCarthy's "Wheeling Speech," on February 9, 1950.  Her speech was endorsed by six other liberal-to-moderate Republicans.  In it, she criticized national leadership and called for the country, the United States Senate, and the Republican Party to re-examine the tactics used by the House Un-American Activities Committee (HUAC) and (without naming him) Senator Joe McCarthy.  She stated the basic principles of "Americanism" were:

Blacklisted by History: Blacklisted by History: The Untold Story of Senator Joe McCarthy and His Fight Against America's Enemies, is a 2007 book by author M. Stanton Evans, who asserts that Joseph McCarthy was proper in making accusations of disloyalty, subversion, or treason within the US State Department and the US Army, showing proper regard for evidence (during a period in the late 1940s and 1950s known as McCarthyism or the second Red Scare).

Supporting paragraphs: Joe McCarthy (RCAF officer) Operation Chastise
Answer: German dams