Here are seven key facts the public have learned from the case of Tuhin Shahensha and Mustakim Jaman.
The Portsmouth brothers are today starting jail sentences.
1.The brothers provided assistance to others to travel to Syria and made their bank accounts available to facilitate the transfer of money for terrorist purposes.
2. Shahensha bought equipment and clothing and made plans to travel to Syria and engage in acts of terrorism
3. An Isis flag was found in their Somers Town home during a police raid in October last year.
4. Footage of Jaman firing a gun along with a photo of him posed in combat clothing were released.
5. CCTV footage used in evidence at the brothers’ trial showed the Britani Brigade’s journey from Fratton train station to Gatwick Airport as the men prepared to leave the country for Turkey then Syria.
6. Neither appeared to show remorse - the judge at the sentencing said: ‘It is a concern you do not accept the seriousness of what you have done.’
7. Five out of six men from the Britani Brigade - all from the city - have died in Syria, with Mashudur Choudhury jailed on his return.