Forward line of own troops (FLOT)

The forward line of own troops (FLOT) – is a line that indicates the most forward positions of friendly forces in any kind of military operation at a specific time [Citizendium]. A line that indicates the most forward positions of friendly forces in any kind of military operation at a specific time. The forward line of own troops usually identifies the forward location of covering and screening forces. The forward line of own troops may be at, beyond, or short of the forward edge of the battle area. An enemy forward line of own troops indicates the forward-most position of hostile forces. [US Department of Defense].

Sources:

Forward line of troops - Citizendium. (n.d.-a). https://en.citizendium.org/wiki/Forward_line_of_troops

US Department of Defense. (2005). Dictionary of Military and Associated Terms (p.190). Arlington county: US Department of Defense