

Sam Fisher, once a Splinter Cell, has now retired. Echoes takes place between the events after Tom Clancy's Splinter Cell: Conviction and before the start of Tom Clancy's Splinter Cell: Blacklist. Now the unit's new mission: hunt down those responsible for the attack and stop the Blacklist countdown before it's too late.Ī prequel in the form of a comic book written by Nathan Edmondson.

Added as a new member are Isaac Briggs, former CIA agent and new Fourth Echelon agent and Charlie Cole, 4E's resident hacker and technology officer. But when a new terrorist plot known as " The Blacklist" puts America's fate hanging in the balance, Patricia Caldwell, the US President, responds by forming Fourth Echelon, a new special operations & counter-terrorism unit with former Third Echelon agent Sam Fisher as the commander of the unit alongside his ally Anna Grímsdóttir as the unit's tech-ops control officer and second-in command. It's been two years after the events of Conviction, Third Echelon has been terminated after a failed assassination attempt on the President's life.

2.2.11 American Fuel (LNG Terminal): Sabine Pass, USA (Day 17) (Time to next attack: 0 Days 0 Hours).2.2.10 Airstrip: Yucatan Province, Mexico (Time to next attack: 0 Days 5 Hours).2.2.9 Detention Facility: Guantanamo Bay, Cuba (Time to next attack: 2 Days 17 Hours).2.2.8 American Freedom (Transit Yards): Philadelphia, USA (Day 14) (Time to next attack: 0 Days 2 Hours).2.2.7 Special Missions HQ: Tehran, Iran (Time to next attack: 2 Days 17 Hours).2.2.6 Abandoned Mill: London, UK (Time to next attack: 4 Days 12 Hours).2.2.5 Private Estate: Ciudad Del Este, Paraguay (Time to next attack: 5 Days 9 Hours).2.2.4 American Consumption: Chicago, USA (Day 7) (Time to next attack: 0 Days 3 Hours).2.2.3 Insurgent Stronghold: Mirawa, Iraq (Time to next attack: 1 Days 10 Hours).

