Kelly and the surviving team members leave the country by boat. He then uses an explosion as cover to steal a police uniform and hijacks an ambulance to escape. Kelly buys the team time to reach safety but is badly injured. Kelly volunteers to cover the team's escape since he is a convicted murderer, his death could be plausibly denied. As police arrive, the team realizes that the mission was a set up to have American soldiers killed on Russian soil to start a war. Rykov detonates the vest, killing himself as the team becomes pinned down by sniper fire. Kelly goes off mission to confront Rykov, who he finds wearing a suicide vest and claiming that he is a deep cover CIA asset. Ritter swears he is not responsible and leads the team to Rykov.

The team arrives in Murmansk and finds Ritter, who Kelly suspects is to blame for the intelligence leaks. Kelly dives into the wreckage to recover essential equipment, including a zodiac boat. Attacked by a Russian fighter, their plane crashes into the Barents Sea. Kelly flies to Murmansk with Greer and a CIA black ops team, planning to Halo jump into Russia. Greer recommends against letting Kelly participate in Rykov's capture, Clay overrules her on the condition that Kelly serves his sentence after the mission.

Sent to prison for murder, Kelly bargains his way out by revealing the escaped operative is Victor Rykov, an ex-Spetznaz officer who is hiding in Murmansk, Russia. Healed from his injuries, Kelly tracks down the Russian diplomat, who issued the passports to the FSB operatives, and forces him to give up the name of the surviving assassin before killing him. The CIA refuses to conduct an investigation into the murders, motivating Greer to pass confidential information to Kelly. Leaked news of Russia's unprecedented attack on American soil has caused the already-strained relationship between the two nations to sour further, possibly causing a new cold war. Commander Karen Greer, meets with CIA officer Robert Ritter and Secretary of Defense Thomas Clay to discuss how the FSB discovered the SEALs' identities and review their response options. Meanwhile, in Washington, D.C., Kelly's SEAL team leader and friend, Lt. Kelly kills all but one of the attackers before being rushed to the hospital with near-fatal wounds. Kelly's pregnant wife Pam is murdered when the Russians break into their house. Three months later, in apparent retaliation for their role in the mission, several members of the team are covertly killed by Russian FSB operatives. The situation escalates as the SEALs discover that the captors are actually Russian military. In Aleppo, a team of US Navy SEALs, including Senior Chief John Kelly, rescue a CIA operative taken hostage by a suspected pro-Assad paramilitary group.

Tom clancy's without remorse 2021