FMF OFFICER 109 - AMPHIBIOUS
OPERATIONS QUESTIONS AND
ANSWERS WITH VERIFIED SOLUTIONS
(GRADED A+) NEWLY UPDATED 2025
109.1 Discuss the mission of Amphibious Task Force (ATF) -
ANSWER✔✔Mission is to conduct amphibious operations.
Functions: CATF C2 of ship-to-shore movement; CATF responsible for land
forces debarkation until termination of amphibious operations.
Acronyms: ATF, ARG, ESG - ANSWER✔✔ATF: Navy task organization
LF: USMC or USA task organization
ATF + LF = Amphibious forces
Amphibious Ready Group (ARG)= Ships carrying embarked LF
Expeditionary Strike Group (ESG) = ARG + supporting/protecting surface ship,
Mine swipers, etc.
109.2 Discuss phases of amphibious operations - ANSWER✔✔Planning ->
Embarkation -> Rehearsal -> Movement -> Action
Planning - ANSWER✔✔Starts with issue of initiating directive and ends with
embarkation of landing force. Planning should be continuous throughout operation.
Embarkation - ANSWER✔✔Begins with landing force, equipments, and supplies
embark on shipping. Organization should be flexible to adapt to evolving
understanding of enemy situation and conditions on beach.
Rehearsal - ANSWER✔✔Forces rehearse prospective operation to test adequacy
of plans, timing, and combat readiness; Ensure familiarization with plan; provide
opportunity to refine plan; verify communications for reliability, security, and
redundancy.
Movement - ANSWER✔✔Elements of ARG/ESG move from point of
embarkation to operational area. Ends when elements arrive at assigned positions.
Action - ANSWER✔✔Decisive action phase starts when forces are in position.
Ends with mission complete.
, Amphibious Assault - ANSWER✔✔Establishment of LF on hostile or potentially
hostile shore.
Demonstration - ANSWER✔✔Intended to confuse the enemy as to time, place, or
strength of main operation.
Feint - ANSWER✔✔An offensive action involving contact with adversary for
purpose of deceiving enemy as to location or time of main offensive.
Raid - ANSWER✔✔Swift incursion into or temporary occupation of objective
followed by planned withdrawal.
109.4 Discuss Commander Amphibious Task Force (CATF) and Commander
Landing Force (CLF) relationship - ANSWER✔✔LF - USMC task organization
ATF - Navy task organization
Command relationship based on mission, nature, duration of operation, force and
C2 capabilities, and operational environment. Complementary support relationship
established between commanders.
CATF full responsibility once LF embarked. CLF assumes control once LF CP
established.
LCC - ANSWER✔✔Amphibious Command Ship
Purpose built for surface, subsurface, and air Command and Control for task forces
with command, control, communications, computers, and intelligence (C4I)
platform.
LCC 19 USS Blue Ridge, Yokosuka
LCC 20 USS Mount Whitney Italy
LHA - ANSWER✔✔Landing Helo Assault
Tarawa Class (well Deck)
America (No Well Deck)
Purpose is to embark, deploy, and land Marine LF in Amphibious assault by
helicopter, landing craft, and amphibious vehicles. Flight & well deck, large
storage
Crew: 80 Officer, 900 Enlisted/2,000 Marines
1 LCAC/2LCU or 4 LCU
30-36 Aircraft
Max Speed 22 knots
OPERATIONS QUESTIONS AND
ANSWERS WITH VERIFIED SOLUTIONS
(GRADED A+) NEWLY UPDATED 2025
109.1 Discuss the mission of Amphibious Task Force (ATF) -
ANSWER✔✔Mission is to conduct amphibious operations.
Functions: CATF C2 of ship-to-shore movement; CATF responsible for land
forces debarkation until termination of amphibious operations.
Acronyms: ATF, ARG, ESG - ANSWER✔✔ATF: Navy task organization
LF: USMC or USA task organization
ATF + LF = Amphibious forces
Amphibious Ready Group (ARG)= Ships carrying embarked LF
Expeditionary Strike Group (ESG) = ARG + supporting/protecting surface ship,
Mine swipers, etc.
109.2 Discuss phases of amphibious operations - ANSWER✔✔Planning ->
Embarkation -> Rehearsal -> Movement -> Action
Planning - ANSWER✔✔Starts with issue of initiating directive and ends with
embarkation of landing force. Planning should be continuous throughout operation.
Embarkation - ANSWER✔✔Begins with landing force, equipments, and supplies
embark on shipping. Organization should be flexible to adapt to evolving
understanding of enemy situation and conditions on beach.
Rehearsal - ANSWER✔✔Forces rehearse prospective operation to test adequacy
of plans, timing, and combat readiness; Ensure familiarization with plan; provide
opportunity to refine plan; verify communications for reliability, security, and
redundancy.
Movement - ANSWER✔✔Elements of ARG/ESG move from point of
embarkation to operational area. Ends when elements arrive at assigned positions.
Action - ANSWER✔✔Decisive action phase starts when forces are in position.
Ends with mission complete.
, Amphibious Assault - ANSWER✔✔Establishment of LF on hostile or potentially
hostile shore.
Demonstration - ANSWER✔✔Intended to confuse the enemy as to time, place, or
strength of main operation.
Feint - ANSWER✔✔An offensive action involving contact with adversary for
purpose of deceiving enemy as to location or time of main offensive.
Raid - ANSWER✔✔Swift incursion into or temporary occupation of objective
followed by planned withdrawal.
109.4 Discuss Commander Amphibious Task Force (CATF) and Commander
Landing Force (CLF) relationship - ANSWER✔✔LF - USMC task organization
ATF - Navy task organization
Command relationship based on mission, nature, duration of operation, force and
C2 capabilities, and operational environment. Complementary support relationship
established between commanders.
CATF full responsibility once LF embarked. CLF assumes control once LF CP
established.
LCC - ANSWER✔✔Amphibious Command Ship
Purpose built for surface, subsurface, and air Command and Control for task forces
with command, control, communications, computers, and intelligence (C4I)
platform.
LCC 19 USS Blue Ridge, Yokosuka
LCC 20 USS Mount Whitney Italy
LHA - ANSWER✔✔Landing Helo Assault
Tarawa Class (well Deck)
America (No Well Deck)
Purpose is to embark, deploy, and land Marine LF in Amphibious assault by
helicopter, landing craft, and amphibious vehicles. Flight & well deck, large
storage
Crew: 80 Officer, 900 Enlisted/2,000 Marines
1 LCAC/2LCU or 4 LCU
30-36 Aircraft
Max Speed 22 knots
