Thank you for allowing me an opportunity to answer your interesting question.
Being in law enforcement myself I can tell you with certainty that the
?hand signals? you are referring to vary from department to department
and within those agencies they may even vary from unit to unit. There
is not standard manual that everyone in law enforcement uses to teach
visual signals (as they are actually called by the military) to their
The military is quite a different story. Being a US Army Veteran as
well, I am familiar with the manual you are asking about ? and yes,
one actually does exist. It happens to be FM 21-60 (FM stands for
?Field Manual?, by the way) courtesy of the DEPARTMENT OF THE ARMY.
This is the universal visual signal manual taught throughout the
military to virtually all personnel, including those in the Special
Forces and other similar tactical groups:
FM 21-60 VISUAL SIGNALS
To address your question more specifically about the pumping of the
arm and what it means, put simply, it means, ?increase your speed? and
the faster the signaler pumps his arm generally conveys the urgency.
Here are some others that I found to be fairly standard in the
civilian world (from my experience), but as I said, to each his own
where necessity is involved. They may differ greatly elsewhere:
Below you will find that I have carefully defined my search strategy
for you in the event that you need to search for more information. By
following the same type of searches that I did you may be able to
enhance the research I have provided even further. I hope you find
that that my research exceeds your expectations. If you have any
questions about my research please post a clarification request prior
to rating the answer. Otherwise, I welcome your rating and your final
comments and I look forward to working with you again in the near
future. Thank you for bringing your question to us.
Tutuzdad ? Google Answers Researcher
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SEARCH TERMS USED:
MILITARY HAND SIGNALS, VISUAL SIGNALS, POLICE, SWAT