Here's an interesting bit of baseball history

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Moe was parachuted into Yugoslavia to assess the value to the war effort of the two groups of partisans there. He reported back that Marshall Tito's forces were widely supported by the people and Winston Churchill ordered all-out support for the Yugoslav underground fighter, rather than Mihajlovic's Serbians. The parachute jump at age 41 undoubtedly was a challenge. But there was more to come in that same year. Berg penetrated German-held Norway, met with members of the underground and located a secret heavy-water plant - part of the Nazis' effort to build an atomic bomb. His information guided the Royal Air Force in a bombing raid to destroy that plant. The R.A.F. destroys the Norwegian heavy water plant targeted by Moe Berg. There still remained the question of how far had the Nazis progressed in the race to build the first Atomic bomb. If the Nazis were successful, they would win the war.
Berg (under the code name "Remus") was sent to Switzerland to hear leading German physicist Werner Heisenberg, a Nobel Laureate, lecture and determine if the Nazis were close to building an A-bomb. Moe managed to slip past the SS guards at the auditorium, posing as a Swiss graduate student. The spy carried in his pocket a pistol and a cyanide pill. If the German indicated the Nazis were close to building a weapon, Berg was to shoot him - and then swallow the cyanide pill. Moe, sitting in the front row, determined that the Germans were nowhere near their goal, so he complimented Heisenberg on his speech and walked him back to his hotel. Werner Heisenberg - he blocked the Nazis from acquiring an atomic bomb. Moe Berg's report was distributed to Britain's Prime Minister Winston Churchill, President Franklin D. Roosevelt and key figures in the team developing the Atomic Bomb. Roosevelt responded: "Give my regards to the catcher." Most of Germany's leading physicists had been Jewish and had fled the Nazis mainly to Britain and the United States.
After the war, Moe Berg was awarded the Medal of Freedom - America 's highest honor for a civilian in wartime. But Berg refused to accept it because he couldn't tell people about his exploits. After his death, his sister accepted the Medal. It now hangs in the Baseball Hall of Fame, in Cooperstown . Presidential Medal of Freedom: the highest award given to civilians during wartime. Moe Berg's baseball card is the only card on display at the CIA Headquarters in Washington, DC.