Common Core 109 Expeditionary Waterborne Fundamentals

Question 1

Assessment Zone

Answer 1

Security boats passively observe craft in the assessment zone identify any inbound contacts.

Question 2

Warning Zone

Answer 2

In the warning zone, access by unauthorized craft is challenged. Security boats actively interact with unknown craft for classification as either a threat or non-threat, to determine hostile intent.

Question 3

Threat Zone

Answer 3

The threat zone is the innermost layer around the HVA. No hostile craft should be permitted to enter this zone.

Question 4

CASREP

Answer 4

Casualty Report

Question 5

Waterborne Threats

Answer 5

1) Small Boats
2) Deep Draft Boat
3) Subsurface
4) Swimmer
5) Floating Mines

Question 6

Blocking

Answer 6

Preventing a craft from reaching the HVA by placing the patrol boat between the craft and the HVA.

Question 7

Herding

Answer 7

Patrol boat positions itself on an angle off the beam/bow of the craft, to make the craft change course to avoid collision.

Question 8

Shouldering

Answer 8

Physically bumping the craft to change it’s course.

Question 9

Sub-Surface Threat (Swimmer Attack)

Answer 9

• Lookout for bubbles, snorkels, or piles of floating debris.
• Turn screws, maintain sea suction, and shift rudders.
• Activate Sonar
• Rig shark nets.
• Use Draglines

Question 10

Surface Threat

Answer 10

• Show a waterborne presence
• Detect and report contact
• Intercept contact approaching warning zone
• Assume blocking position between contact and the HVA
• Conduct escalation of force
• Classify as unknown, friendly, or hostile.