"That was the beginning of the Israeli Air Force," Winters said.
In March 1961, Israeli Prime Minister Golda Meir issued a letter of commendation to Winters to recognize his contributions to Israel's survival as an independent state.
"My father was a very instrumental, important person in the history of the world, and I didn't realize that," Winters said, recalling his childhood. "It would make a great movie."
He said the only time he caught a whiff of his father's past growing up was when his father refused to let him go out hunting with his friends. Winters, who was a teenager at the time, later found out that his father was not allowed to buy weapons or keep them in the house due to his criminal past.
In an August letter to the Department of Justice signed by 21 members of Congress, the representatives urged the administration to grant the posthumous pardon to Winters to "correct the injustice that has been done."
"Mr. Winters' actions helped secure the independence of the state of Israel," the representatives wrote in the letter. They said Israel "may not have survived" without the actions of Winters and others who provided aid to the emerging nation.
Jim Winters was also helped by the Jewish Federation of Palm Beach County.
U.S. Rep. Connie Mack, R-Fla., who worked with Rep. Ron Klein, D-Fla., on the Winters request, released a statement saying the pardon was "long overdue."
"The work that Charles Winters did to promote freedom, security and peace in Israel will leave a lasting impact on the nation and her people," Mack said.
The only other presidential pardon granted posthumously in recent times was given to Henry O. Flipper, the first black graduate of the U.S. Military Academy at West Point. Flipper was drummed out of the Army after white officers mistakenly accused him of embezzling about $3,800 from commissary funds.
With this latest batch of pardons, which includes forgiveness for convictions ranging from gun and drug violations to bank and mail fraud, Bush has granted a total of 190 pardons and nine commutations. That's fewer than half as many as Presidents Clinton or Reagan issued during their two terms.
Bush Grants Posthumous Pardon to Florida Man Who Aided Israel