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OS1-StudyGuide-1- SEPT2017 > AMPHIBIOUS OPERATIONS > Flashcards

AMPHIBIOUS OPERATIONS Flashcards

1
Q

What is an amphibious operation

A

an attack that is launched from the sea by naval and landing forces embarked in ships or craft involving a landing on a hostile shore

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2
Q

What are two major disadvantages of staging an amphibious operation

A

first, combat power ashore starts from a zero capability, and secondly there is great vulnerability during the early phase of the assault

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3
Q

What are the advantages of an amphibious operation

A

Mobility (ability to land wherever chosen) and flexibility (ability to select time and method)

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4
Q

What is the primary type of amphibious operation

A

amphibious assault

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5
Q

What is a temporary amphibious landing that is always followed by a planned withdrawal

A

amphibious raid

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6
Q

what is the primary mission of an amphibious assault

A

establishing a landing force on a hostile shore

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7
Q

what is the majore difference between an amphibious raid and an amphibious assault

A

an amphibious raid is a temporary landing followed by a planned withdrawal whereas an amphibious assault is the establishing of a landing force on the shore

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8
Q

How is an amphibious withdrawal different from both an amphibious raid and an amphibious assault

A

it is a withdrawal from rather than a landing on a hostile shore

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9
Q

What type of amphibious operation is intended to delude the enemy into taking action unfavorable to him/her

A

amphibious demonstration

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10
Q

How does an amphibious demonstration differ from both an amphibious assault and an amphibious raid

A

the amphibious demonstration is only a show of force- no landing is made

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11
Q

What are the goals of an amphibious operation

A

to prosecute further combat operation; to obtain a site for an advanced base; and to deny use of the area and its facilities to the enemy

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12
Q

What are the five amphibious operation phases

A 
planning 
embarkation
rehearsal
movement
and assault
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13
Q

at what point does the planning phase of an amphibious operation commence

A

with the initiating directive

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14
Q

What would preclude launching an amphibious operation

A

insufficient logistic support available to the ATF and enemy reserce foruce outside the objective area can be used to support the enemy ashore

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15
Q

what are three characteristics of supporting amphibious operations

A

ordered by a higher authority; uses forces other than those assigned to CATF; and usually outside the area of CATF responsibility

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16
Q

What ATF forces must be superior to enemy forces before any amphibious operation should be launched

A

surface and submarine forces (ASUW/ASW); air forces (AAW); and landing forces over enemy forces ashore (GCE)

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17
Q

What must occur before an amphibious operation can be launched when enemy forces are superior to the landing force of the ATF

A

The total force available must be superior in strength to the enemy forces

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18
Q

At what point is the adequacy of an amphibious plan determined

A

during the rehearsal phase

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19
Q

When does the amphibious assault phase begin

A

when the major assault forces arrive in their assigned positions in the objective area

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20
Q

What steps are involved in terminating an amphibious operation

A

CATF and Commanding Landing Force (CLF) must agree that the mission is accomplished; CATF then reports accomplishing the mission to higher authority; and the higher authority orders termination of the operation and disposition of the forces

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21
Q

What condition must be met to terminate an amphibious operation

A

mission completion as stated in the initiating directive

22
Q

The touchdown report is made on what net

A

Bravo net

23
Q

What are the objectives of the advance amphibious force

A

destroy all enemy installations that could oppose the landing; support mine clearing and underwater demolition operations; and prepare the way for landing operations

24
Q

What is a class E target classification

A

one that designates installations that will not be destroyed because of humanitarian reasons or future use by own forces, unless specifically targeted by the CATF

25
Q

What charge is used for defilade fire

A

a reduced charge

26
Q

What proword indicates an error was noted during read back on supporting arms coordination nets

A

‘WRONG’ followed by the error correction

27
Q

Where will you find special instructions concerning NSFS communications

A

In the COMM ANNEX to operation orders or OPTASK COMMS

28
Q

What information is supplied to Weapons plot during a DIRECT FIRE mission by CIC/CDC

A

Advisory data such as elevation to target and terrain, coaching director into designated targets, relaying spotter information, etc

29
Q

On a shore bombardment chart, how is terrain steepness interpreted

A

Brown contour lines that are closer together indicates the steeper the slope

30
Q

Why should the gun target line (GTL) marked on the grid spot converter be checked often during an air spotter mission

A

Because, depending on the relative motion of the aircraft, the gun target line may change with each salvo

31
Q

What is the reference line for converting spots to north/south, east/west, on the grid spotter converter

A

the Y-axis, or black line oriented 000-180

32
Q

What order is always used to save firing and navigation data for future reference

A

Record AS target

33
Q

Which radar feature discriminates between close-in landing craft and sea return

A

The sensitivity time control (STC) feature

34
Q

What is the purpose of the supporting arms coordination report ‘Ammunition summary’

A

To allow CATF to know the status of NSFS ammunition stocks

35
Q

What is the opportunity mission report

A

a report of each unscheduled mission fired at a target of opportunity (used by SACC)

36
Q

Which landing craft class is used for control purpose or to support clandestine SEAL operations

A

LCPL class

37
Q

What amphibious ships are best suited for designation as a MAJOR casualty receiving and treatment unit

A

LPH, LHA, LHD classes

38
Q

What amphibious ship has secondary aviation and casualty receiving capabilities command and control facilities, and functions as the primary control ship for boat operations

A

LPD class (flag configured)

39
Q

What is the largest landing craft class that is used to transport heavy vehicles, equipment, cargo, and troops in the amphibious assault

A

LCU

40
Q

What is the basic landing craft organizational unit

A

Boat groups which are organized to support each battalion landing team (BLT) designated beach

41
Q

What is the authorized command relationship between the supporting force commander and CATF

A

Direct coordination during operations, the CATF coordinates planning as planning authority and is the supported commander

42
Q

How are boat waves numbered for assault operations

A

Shoreward to seaward (first wave, second wave, etc)

43
Q

What is represented on an LCPL by the zero flag displayed over a colored flag

A

Boat group commander for a colored beach

44
Q

What officer coordinates LST employment and waterborne ship to shore movement on two or more beaches via the respective PCOs

A

The central control officer

45
Q

Who recommends terminating boat operations to CATF when weather and/or surf conditions indicate

A

Primary control officer

46
Q

Which control element is prepared to assume PCO duties in an emergency and is normally associated with landing a battalion landing team (BLT) over a numbered beach

A

secondary control ship

47
Q

Who uses the call sigh ‘ CLAPPER RED’

A

The red beach boat group commander

48
Q

Which net is the beach boat operations net that is used for administrative control of boats and touchdown reports

A

The boat bravo net

49
Q

From where are assault waves dispatched

A

Line of departure (LOD)

50
Q

What is included in the assault area

A

Beach, boat lanes, landing ship areas, transport areas and fire support areas

OS1-StudyGuide-1- SEPT2017 (18 decks)

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