Even as he was being jailed for planning a terror act in Sydney, Sulayman Khalid maintained his "unwavering devotion" to extremist ideology by making a one-fingered Islamic State salute.
Khalid, 22, and four male co-accused including a 17-year-old were sentenced in the NSW Supreme Court on Friday over their terror preparations in late 2014.
The group's crude plan involved killing police officers, targeting government buildings, sourcing firearms and engaging in guerilla warfare with the help of an army of indigenous people they'd converted to Islam.
In conversations and planning documents, they used code words such as "banana" and "motorbikes" instead of firearms. "Wombat" meant Khalid's garage - their meeting place.
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Khalid also made a series of YouTube videos including one where he threatened secret service agencies around the world saying: "It's either you will become a Muslim, and you will believe in Allah, or you will die by the sword."
Khalid, Jibryl Almaouie, 24, and the teenager previously pleaded guilty to conspiring to do acts in preparation for a terrorist act to advance violent jihad.
Justice Geoffrey Bellew on Friday said Khalid was a devout terrorist with an "unwavering devotion" to extremist ideology.
"He was corrupted by a dangerous, violent and perverted ideology to which he unequivocally subscribed, which he wore as a badge of honour, but which has no place in any civilised society," he said.
Supporters broke down in tears as Khalid was sentenced to 22 years and six months in jail with a non-parole period of 16 years and nine months.
His sister shouted "Sulayman, I love you" and his father said "Stay strong".
Khalid made the one-fingered ISIS salute as he was led from the courtroom.
Jibryl Almaouie, who also pleaded guilty to firearms offences, was sentenced to 18 years and six months in jail with a non-parole period of 14 years and two months.
The teenager was jailed for 13 years and six months with a non-parole period of 10 years and one month.
Justice Bellew said he did not accept the teen, who had acquired firearms, was "targeted and groomed" by Khalid.
He also rejected the teen was acting in "fantasy-based, hero-like behaviour" during a "burst of teenage enthusiasm".
Co-offenders Mohamed Almaouie, 22, and Farhad Said, 25, previously pleaded guilty to the lesser charge of knowingly making a document likely to facilitate a terrorist act.
Almaouie was sentenced to nine years' jail with a non-parole period of six years and nine months.
Justice Bellew said the fact that Almaouie only wrote 25 words about "gorilla (sic) warfare" and "going to the woods and attack the dogs there" is not the point.
"What was said was unequivocal. It outlined a plan for an attack," he said.
Said was jailed for nine years and six months with a non-parole period of seven years and one month.
In May, a sixth co-offender, Ibrahim Ghazzawy, was jailed for a maximum eight years and six months after pleading guilty to knowingly making a document likely to facilitate a terrorist act.
