the characteristics of the
available entrances to sheltered
anchorages? (Etc.)

Another type of subsidiary problem which may call for a separate
subsidiary plan relates to logistics (page 162). This problem is
particularly applicable to the planning stage, because the
contingencies which it involves can, to a considerable degree, be
foreseen. In this case the situation which the commander usually
desires to bring about is adequate freedom of action with respect to
supply and related matters. He wishes to solve this problem so
completely during the present step that a logistics plan, concurrently
executed with his basic plan, will require minimum subsequent
attention.

A logistics estimate by the procedure distinctive of the first step
will include in Section I-A a summary of the pertinent features of the
existing strategical and tactical situation, and of contemplated
strategical and tactical operations. It will also include a statement
of the salient features of the existing logistics situation. The
incentive, to be found in a previous decision of the commander, will
be noted. The assigned objective will be the making of adequate
provision for logistics support. The mission will be:--

(Task) to make provision for adequate logistics support,

(Purpose) in order to contribute to freedom of action in the
operations contemplated. (In each particular case the
operations contemplated will be indicated by proper
phraseology in the mission or by reference to the summary of
the situation).

Section I-B of the estimate will take account of the logistics factors
cited in the Estimate Form (Chapter VI) for a basic estimate, but will
specify details to the further extent necessary.

Section II will discuss the various possible procedures for affording
appropriate logistics support of the various categories.

Section III will discuss enemy actions to hamper or prevent adequate
logistics support.

Section IV will deal with selection of the best logistics procedure.

Section V will state the decision as to the essential elements of the
logistics support to be afforded, in such detail as will constitute a
general plan (or a proper basis therefor) from which a detailed plan
can be developed.

A detailed logistics plan, developed from the foregoing estimate, will
assemble the necessary information and assumptions. It will stat