From: Ron (rojoha@comcast.net)
Date: Thu Jun 03 2004 - 15:05:33 PDT
Well, you asked....
>From the DOD Dictionary of Military and Associated Terms......
times
(DOD) (C-, D-, M-days end at 2400 hours Universal Time (Zulu time) and are
assumed to be 24 hours long for planning.) The Chairman of the Joint Chiefs
of Staff normally coordinates the proposed date with the commanders of the
appropriate unified and specified commands, as well as any recommended
changes to C-day. L-hour will be established per plan, crisis, or theater of
operations and will apply to both air and surface movements. Normally,
L-hour will be established to allow C-day to be a 24-hour day.
a. C-day. The unnamed day on which a deployment operation commences or
is to commence. The deployment may be movement of troops, cargo, weapon
systems, or a combination of these elements using any or all types of
transport. The letter "C" will be the only one used to denote the above. The
highest command or headquarters responsible for coordinating the planning
will specify the exact meaning of C-day within the aforementioned
definition. The command or headquarters directly responsible for the
execution of the operation, if other than the one coordinating the planning,
will do so in light of the meaning specified by the highest command or
headquarters coordinating the planning.
b. D-day. The unnamed day on which a particular operation commences or
is to commence.
c. F-hour. The effective time of announcement by the Secretary of
Defense to the Military Departments of a decision to mobilize Reserve units.
d. H-hour. The specific hour on D-day at which a particular operation
commences. e. H-hour (amphibious operations). For amphibious operations,
the time the first assault elements are scheduled to touch down on the
beach, or a landing zone, and in some cases the commencement of countermine
breaching operations.
f. L-hour. The specific hour on C-day at which a deployment operation
commences or is to commence.
g. L-hour (amphibious operations). In amphibious operations, the time at
which the first helicopter of the helicopter-borne assault wave touches down
in the landing zone.
h. M-day. The term used to designate the unnamed day on which full
mobilization commences or is due to commence.
i. N-day. The unnamed day an active duty unit is notified for deployment
or redeployment.
j. R-day. Redeployment day. The day on which redeployment of major
combat, combat support, and combat service support forces begins in an
operation.
k. S-day. The day the President authorizes Selective Reserve callup (not
more than 200,000).
l. T-day. The effective day coincident with Presidential declaration of
national emergency and authorization of partial mobilization (not more than
1,000,000 personnel exclusive of the 200,000 callup).
m. W-day. Declared by the National Command Authorities, W-day is
associated with an adversary decision to prepare for war (unambiguous
strategic warning).
----- Original Message -----
From: "Wayne Harris" <papercu@hotmail.com>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: 03 June, 2004 17:14
Subject: [MV] "D" in D-Day
> O.K. quiz time. Who knows what the "D" in D-Day stood for? And no it is
not
> Dnvasion day. Wayne
>
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