LESSON 2
PRACTICE EXERCISE
ANSWER KEY AND FEEDBACK
Item
Correct Answer and Feedback
1.
The command relationships that an engineer unit might experience
include-
Organic.
Organic units are a permanent part of a larger
The parent unit exercises full C2 over them.
unit.
Division engineer battalions and separate brigade engineer
companies are organic to the parent unit.
Assigned units are under the C2 of a higher
Assigned.
headquarters (usually above division level) on a relatively
permanent basis.
Engineer units of an ENCOM are assigned
to the theater army.
Attached units are under the C2 of a gaining
Attached.
commander unless limitations are imposed by the attachment
order. The commander's authority and responsibility is the
same as that for organic and assigned units, except
personnel transfer and promotion remain under the units
parent organization.
The gaining commander is also
responsible for logistical support of the attached engineer
unit.
OPCON. OPCON units are under the gaining commanders C2, and
the parent unit retains responsibility for administrative
and logistical support. The gaining commander can use the
engineer unit as he would attached engineers without the
burden of making logistical arrangement.
Within NATO, an
allied formation commander does not have the authority to
assign
separate
employment
of
OPCON
engineer-unit
components from another national army.
An engineer unit
that is OPCON to an allied formation cannot be task-
organized by the formation commander.
OPCOM.
OPCOM units are under the US unified or specified
commander's C2, and the parent unit retains responsibility
for administrative and logistical support. In NATO, OPCOM
gives a commander the authority to assign missions or
tasks, deploy units, reassign forces, and retain or
delegate operational and tactical control.
(page 2-2, para 2-1)
EN5483
2-14
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