C400 EXAMINATION STUDY SHEET 2026
VERIFIED QUESTION–ANSWER
COLLECTION
◉ What is a tactical mission task that encompasses all measures
taken by a CDR to counter enemy recon efforts?.
Answer: counter-recon
◉ What is the purpose of counter-recon?.
Answer: To destroy, defeat, or repel all enemy recon elements within
capabilities and following engagement criteria.
◉ What are the primary forms of security?.
Answer: Screen (stationary or moving)
Guard
Cover
Area security
Local security
◉ What is the primary purpose of screen?.
Answer: To provide early warning to the main body. It provides less
protection than guard.
,◉ Why is the depth of the screen critical?.
Answer: To allow recon handover from one element to another
without displacement from established OPs.
◉ When are screen missions appropriate?.
Answer: When operations have created extended flanks, gaps, exist
between major subordinate maneuver units. Screens are defensive
in nature.
◉ What is required for a screen?.
Answer: Employment of mounted and dismounted patrols, aerial
recon, and OPs positioned over extended distance in depth.
◉ What does "screen line" describe?.
Answer: Only the trace along which the protecting unit is providing
security, not the linear positioning of assets.
◉ What are the phases of a screen?.
Answer: Maneuver to screen line.
Occupy screen line.
Surveillance and counter recon.
Displace/maintain contact.
, Passage of lines.
◉ What does the initial screen represents?.
Answer: Forward line of troops (FLOT) and it is considered a
restrictive control measure requiring coordination when units move
beyond it to conduct aerial surveillance and ground recon.
◉ Pertaining to screens, what decision point marks a transition fro
security operations to offensive or defensive operations?.
Answer: Displacement of a screening unit.
◉ What is a guard?.
Answer: A security task to protect the main body by fighting to gain
time while also observing and reporting information and preventing
enemy ground observation of and direct fire against the main body.
◉ Why does guard units require additional assets?.
Answer: They cannot operate independently because they rely upon
fires and functional and multifunctional support asstes of the main
body.
◉ What are the responsibilities of the guard force?.
Answer: RECON, attacks, defends and delays as needed to provide
reaction time and maneuver space to the protected force.
VERIFIED QUESTION–ANSWER
COLLECTION
◉ What is a tactical mission task that encompasses all measures
taken by a CDR to counter enemy recon efforts?.
Answer: counter-recon
◉ What is the purpose of counter-recon?.
Answer: To destroy, defeat, or repel all enemy recon elements within
capabilities and following engagement criteria.
◉ What are the primary forms of security?.
Answer: Screen (stationary or moving)
Guard
Cover
Area security
Local security
◉ What is the primary purpose of screen?.
Answer: To provide early warning to the main body. It provides less
protection than guard.
,◉ Why is the depth of the screen critical?.
Answer: To allow recon handover from one element to another
without displacement from established OPs.
◉ When are screen missions appropriate?.
Answer: When operations have created extended flanks, gaps, exist
between major subordinate maneuver units. Screens are defensive
in nature.
◉ What is required for a screen?.
Answer: Employment of mounted and dismounted patrols, aerial
recon, and OPs positioned over extended distance in depth.
◉ What does "screen line" describe?.
Answer: Only the trace along which the protecting unit is providing
security, not the linear positioning of assets.
◉ What are the phases of a screen?.
Answer: Maneuver to screen line.
Occupy screen line.
Surveillance and counter recon.
Displace/maintain contact.
, Passage of lines.
◉ What does the initial screen represents?.
Answer: Forward line of troops (FLOT) and it is considered a
restrictive control measure requiring coordination when units move
beyond it to conduct aerial surveillance and ground recon.
◉ Pertaining to screens, what decision point marks a transition fro
security operations to offensive or defensive operations?.
Answer: Displacement of a screening unit.
◉ What is a guard?.
Answer: A security task to protect the main body by fighting to gain
time while also observing and reporting information and preventing
enemy ground observation of and direct fire against the main body.
◉ Why does guard units require additional assets?.
Answer: They cannot operate independently because they rely upon
fires and functional and multifunctional support asstes of the main
body.
◉ What are the responsibilities of the guard force?.
Answer: RECON, attacks, defends and delays as needed to provide
reaction time and maneuver space to the protected force.
