Darren Andrews (30) and Joao Andrade (28), who admitted involvement in the importation of heroin with a street value of up to £2.2 million, were jailed for 15 years and 12 years respectively.
Co-accused William Swinburne (49), who admitted being concerned in the supply of a controlled drug, and has a terminal liver disease, was imprisoned for three years after the court took his condition into consideration.
He was jailed for a further month for contempt of court for failing to return from a daytrip to London for a hospital appointment.
