US airmen hold press conference in Hong Kong after their 1955 release from 2-1/2 years in Communist China prison

An American B29 crew, shot down during a Korean War mission, faced false accusations of espionage, torture, and a sham trial. Despite enduring severe mental and physical suffering, Colonel John Arnold Jr. leads the crew back to freedom, ready to rebuild their lives.

What was the purpose of the leaflet dropping mission during the Korean War?

What was the outcome for the 11 American Flyers mentioned in the text?