Thee Cuban intelligence agents have been given heroes' welcomes as they landed back in their homeland after 16 years in prison in the US.
It comes as US President Barack Obama announced his country will restore diplomatic relations it severed with Cuba more than 50 years ago.
As part of a prisoner swap under the new policy, Cuba freed American Alan Gross in exchange for the three Cubans held by the United States.
Thee Cuban intelligence agents have been given heroes' welcomes as they landed back in their homeland after 16 years in prison in the US.
The men were released as part of a prisoner swap between the two countries, which heralded the start of a major policy shift to normalise relations after more than 50 years of hostility.
Gerardo Hernandez, aged 49, Antonio Guerrero, 56, and 51-year-old Ramon Labañino were greeted by Cuban President Raul Castro and throngs of family, friends and fans as they disembarked at Jose Marti International Airport.
The men - together with two others already released - are jointly referred to as the 'Cuban Five', and are celebrated as anti-terrorist heroes for their work spying on extremist Cuban exile groups in Florida.
The Democratic presidential candidate may also have shown his cards on his choice of running mate.
The US president also shared a post on Twitter accusing Dr Anthony Fauci of misleading the public over hydroxychloroquine.
Fears over an impending second wave of coronavirus dominates Wednesday’s front pages.