The men, including four serving soldiers, were held on suspicion of terror offences last week.
Three suspects, including a 24-year-old arrested in Cyprus who is understood to be a member of the Royal Anglian Regiment, remain in custody.
The men, including four serving soldiers, were held on suspicion of terror offences last week.
Three suspects, including a 24-year-old arrested in Cyprus who is understood to be a member of the Royal Anglian Regiment, remain in custody.