What Is 'Tactical Ops'? Need More Details to Identify the Game

Multiple games share the name "Tactical Ops". Please specify:

• Tactical Ops: Assault on Terror (2002, PC) – Unreal Tournament total conversion, CS-style tactical shooter.
• Tactical Ops (Mobile) – Various clones on iOS/Android.
• Tom Clancy's Tactical Ops (Cancelled) – Ubisoft project.
• Board Game / Tabletop: Several use the term.
• Mode Name: "Tactical Ops" appears in Rainbow Six, Ghost Recon, Arma as a mission type.

Tell me platform, year, perspective (FPS/top-down), or key feature and I'll identify it.