Operation Torus saw more than 2,400 raids carried out across Northern Ireland over an eight-week period, with 400 arrests made and drugs worth more than £1m seized.
But questions are still being asked about whether police are winning the war on drugs - or if it is even a war that can be won.
One young man, who started taking drugs aged just 12 and dealing to feed his habit at 14, spoke to UTV Live Tonight about his experiences.
"The key economic figures in the neighbourhood was the drug dealer. There weren't many role models - broken families, stuff like that - and that's how it all started," he said.
"I was only selling drugs to pay for them. I was taking so much of them. Everyone else was doing it. Why pay for them when you can get them free?"
At 17, he was jailed for possession of the Class A drug speed. But after his release, he only became a bigger player on the drugs scene - getting hooked on heroin and also selling the killer drug.
I went into jail and came out with a PHD in criminality and drug dealing.
"You made contacts inside that got you the drugs cheaper. I went through the entire Class A list myself," he said.
"People say if you take heroin, you will eventually die. The first time you take it you think: 'Well, that didn't kill me.' You don't realise when you try and stop it you can't.
"You just keep going further and further into this pit."
Operation Torus aimed to tackle the drugs problem by taking dealers off the street and officers urged members of the public to shop those selling drugs on their doorstep.
"We would have concerns, particularly given the amount of drugs we've seized recently through drug trafficking and then also these drug dealers at street level," PSNI Assistant Chief Constable Drew Harris said.
But he added that Operation Torus was a significant step in building the relationship between police and those living in areas where drugs are prevalent.
"I think it's very important in terms of public confidence around what the police service are doing. It's given local communities the confidence to report drug dealing to police," he explained.
We would have concerns at the scale of drug dealing that's going on... What we do know is that we've disrupted gangs.
ACC Drew Harris
However, the young man who spoke to UTV firmly believes that for every dealer taken off the streets, there are plenty more waiting in the wings.
"It's driven by revenue and greed," he said.
"If you take the drugs, you're a potential candidate to sell the drugs. And because one drug dealer is arrested, people aren't going to reform and change their lives.
"Someone is going to take his place obviously. And believe me, there are plenty waiting ..."
He's now been clean for three years, but for others a way out can come too late.
"I've had four accidental overdoses on heroin, two accidental overdoses on cocaine and was in hospital for three months," he said.
"Most of my friends who I grew up with in that lifestyle, who remain in that lifestyle, were either shot dead, in prison, or are severely addicted to Class A drugs."
Police say there will be more operations like Torus, but breaking a drugs trade worth millions - billions worldwide - could prove an insurmountable task.