List of battles with most United States military fatalities

Columns: Campaign | Conflict | Date | Estimated number killed | Opposing force
Battle of Luzon | World War II | January 9 to August 15 , 1945 | 8,310 killed | Japan | Operation Dragoon | World War II | August 15 to September 14 , 1944 | 7,301 killed | Germany | Guadalcanal Campaign | World War II | August 7 , 1942 , to February 9 , 1943 | 7,100 killed | Japan | Alsace Campaign | World War II | November 13 , 1944 to February 19 , 1945 | 7,000 killed | Germany | Battle of Iwo Jima | World War II | February 19 to March 26 , 1945 | 6,821 killed | Japan | Lorraine Campaign | World War II | September 1 to December 18 , 1944 | 6,657 killed | Germany | Naples - Foggia Campaign | World War II | September 9 , 1943 to January 21 , 1944 | 6,266 killed | Germany

Example questions:
How many Germans were killed in the battle where 26,277 of the United States military were killed ? | What holiday did the battle which took place from January 30 to September 23 , 1968 begin on ? | How many Japanese were taken prisoner in the battle which took place from February 19 to March 26 , 1945 ? | What were the codenamed landing sites of the Americans at the battle where 29,204 of the United States military were killed ? | How many approximate casualties were sustained by both sides in the battle which took place from April 1 to June 22 , 1945 ?

Answers:
28,000 | Vietnamese New Year | 216 | Utah and Omaha | 160,000