TBS PHASE 3 PRACTICE
EXAMINATION 2026 QUESTIONS
WITH ANSWERS GRADED A+
◍ What are the Caps and Lim's of M2 .50 Cal Machine Gun.
Answer: Sustained Less than 40 rounds per minute (rpm)-Rapid 40 or more
rpm-Cyclic 450-550 rpm -Max Range 7400 meters-Max RangeEffective
1830 meters-Grazing fire 700 meters
◍ Calculating FPF length?.
Answer: # of tubes in firing agency * effective casualty radius.
◍ Counter-Mobility is achieved through two types of obstacles, what are their
variations?.
Answer: Existing - those obstacles already present on the battlefield and not
placed through military effort. They may be Natural or Cultural (i.e. man
made)Reinforcing - those obstacles placed on the battlefield through
military effort, which are designed to extend or improve the effectiveness of
existing obstacles.
◍ Define Supplementary Wire.
Answer: This wire disguises the nature of protective and tactical wire.
◍ Tempo.
Answer: Marines Fighting Load, Rotation Plan, Rehearsals, Dispresion,
Communication
◍ SWFT-E (E).
Answer: Engagement Criteria: WHEN do I shoot. Specific signal plan (e.g.
"FPF will commence on WSC")
◍ Mass.
, Answer: Concentrate combat power at the decisive place and time
◍ IFOMS- M.
Answer: Mass: rapid concentration of combat power at a point IOT rupture
EN defense
◍ identify the four functional areas of combat engineering in the Offense.
Answer: 1. Mobility2. Counter-Mobility3. Survivability4. General
Engineering
◍ What 3 things does a night attack depend on?.
Answer: DirectionControlSurprise
◍ Leader's Recon.
Answer: a small, leadership-heavy reconnaissance patrol that will operate in
close proximity to the enemy. As such, it must be planned in detail.
◍ Given a scheme of maneuver, fire support available, and an order, how do
you develop a Fire Support Plan? What considerations do you need to take
into account?.
Answer: FSP encompass three themes 1. FSP must support SOM 2.
Maneuver element must provide bottom up refinement 3. FSP must be
executable
◍ mobile defense.
Answer: Where the bulk of the force is held as a mobile striking force with
strict economy applied to dedicated positional supporting efforts designed to
canalize, delay, and disrupt the enemy's attack
◍ Hot barrel for M240.
Answer: 200 in 2 min or less
◍ Attached (MG).
Answer: Supported unit leader is responsible for everything
◍ Breach Fundamentals: Supress.
Answer: Suppression is the focus of all available direct and indirect fires on
enemy personnel, weapons, or equipment to prevent effective fires on
, friendly forces. The purpose of suppression is to protect forces reducing and
maneuvering through the obstacle and to soften the initial foothold.
Suppressive fires in sufficient volume, a 3:1 minimum ratio, serve to isolate
the breach site
◍ Task Organization, Platoon HQ.
Answer: PC, PS, Platoon Messenger
◍ Define the Reverse Slope Method.
Answer: It's a defense on the opposite slope of a hill
◍ Supporting relationships (GS, DS, Attach)?.
Answer: Provide support by using all available fire support to accomplish all
EFSTs from the maneuver commander.
◍ Defensive Methods.
Answer: Battle PositionStrongpointPerimeterReverse-Slope
◍ SNCO Promotions.
Answer: The CMC will convene selection boards each year to examine the
qualifications of Marines in the grades of Sgt, SSgt, GySgt, MSgt, and
1stSgt for the purpose of recommending those "best and fully qualified" for
promotion to the next higher grade.Authority tor frock enlisted Marines to
SNCO ranks is delegated to Marine commanding generals.
◍ Tactical Obstacles.
Answer: those obstacles that directly affect the enemy's ability to maneuver.
Meant to produce four tactical effects:Disrupt, Turn, Fix, Block
◍ Classifications of Offensive Fires.
Answer: ISO Maneuver-ISO Isolation-ISO assault-ISO consolidation
◍ Steps to MG range card?.
Answer: Lay gun, Walk line, Call Mark, Annotate.
◍ What classification of machinegun fire deals with danger space, plunging
fire, and grazing fires?.
Answer: In relation to the ground
EXAMINATION 2026 QUESTIONS
WITH ANSWERS GRADED A+
◍ What are the Caps and Lim's of M2 .50 Cal Machine Gun.
Answer: Sustained Less than 40 rounds per minute (rpm)-Rapid 40 or more
rpm-Cyclic 450-550 rpm -Max Range 7400 meters-Max RangeEffective
1830 meters-Grazing fire 700 meters
◍ Calculating FPF length?.
Answer: # of tubes in firing agency * effective casualty radius.
◍ Counter-Mobility is achieved through two types of obstacles, what are their
variations?.
Answer: Existing - those obstacles already present on the battlefield and not
placed through military effort. They may be Natural or Cultural (i.e. man
made)Reinforcing - those obstacles placed on the battlefield through
military effort, which are designed to extend or improve the effectiveness of
existing obstacles.
◍ Define Supplementary Wire.
Answer: This wire disguises the nature of protective and tactical wire.
◍ Tempo.
Answer: Marines Fighting Load, Rotation Plan, Rehearsals, Dispresion,
Communication
◍ SWFT-E (E).
Answer: Engagement Criteria: WHEN do I shoot. Specific signal plan (e.g.
"FPF will commence on WSC")
◍ Mass.
, Answer: Concentrate combat power at the decisive place and time
◍ IFOMS- M.
Answer: Mass: rapid concentration of combat power at a point IOT rupture
EN defense
◍ identify the four functional areas of combat engineering in the Offense.
Answer: 1. Mobility2. Counter-Mobility3. Survivability4. General
Engineering
◍ What 3 things does a night attack depend on?.
Answer: DirectionControlSurprise
◍ Leader's Recon.
Answer: a small, leadership-heavy reconnaissance patrol that will operate in
close proximity to the enemy. As such, it must be planned in detail.
◍ Given a scheme of maneuver, fire support available, and an order, how do
you develop a Fire Support Plan? What considerations do you need to take
into account?.
Answer: FSP encompass three themes 1. FSP must support SOM 2.
Maneuver element must provide bottom up refinement 3. FSP must be
executable
◍ mobile defense.
Answer: Where the bulk of the force is held as a mobile striking force with
strict economy applied to dedicated positional supporting efforts designed to
canalize, delay, and disrupt the enemy's attack
◍ Hot barrel for M240.
Answer: 200 in 2 min or less
◍ Attached (MG).
Answer: Supported unit leader is responsible for everything
◍ Breach Fundamentals: Supress.
Answer: Suppression is the focus of all available direct and indirect fires on
enemy personnel, weapons, or equipment to prevent effective fires on
, friendly forces. The purpose of suppression is to protect forces reducing and
maneuvering through the obstacle and to soften the initial foothold.
Suppressive fires in sufficient volume, a 3:1 minimum ratio, serve to isolate
the breach site
◍ Task Organization, Platoon HQ.
Answer: PC, PS, Platoon Messenger
◍ Define the Reverse Slope Method.
Answer: It's a defense on the opposite slope of a hill
◍ Supporting relationships (GS, DS, Attach)?.
Answer: Provide support by using all available fire support to accomplish all
EFSTs from the maneuver commander.
◍ Defensive Methods.
Answer: Battle PositionStrongpointPerimeterReverse-Slope
◍ SNCO Promotions.
Answer: The CMC will convene selection boards each year to examine the
qualifications of Marines in the grades of Sgt, SSgt, GySgt, MSgt, and
1stSgt for the purpose of recommending those "best and fully qualified" for
promotion to the next higher grade.Authority tor frock enlisted Marines to
SNCO ranks is delegated to Marine commanding generals.
◍ Tactical Obstacles.
Answer: those obstacles that directly affect the enemy's ability to maneuver.
Meant to produce four tactical effects:Disrupt, Turn, Fix, Block
◍ Classifications of Offensive Fires.
Answer: ISO Maneuver-ISO Isolation-ISO assault-ISO consolidation
◍ Steps to MG range card?.
Answer: Lay gun, Walk line, Call Mark, Annotate.
◍ What classification of machinegun fire deals with danger space, plunging
fire, and grazing fires?.
Answer: In relation to the ground
