Greetings.. ahalan wa sahalan.

The rendition of that Arabic military (naval) rank, along with the person's associated qualification as a "Staff Officer" based on completion of a course at a command and general staff college) would be thus in:

British military English: Rear Admiral (Staff)

American military English: Rear admiral
(US military usage does not normally include the qualifier as a staff officer after the name of a rank)

Accordingly, the decision to include that "Staff" designation in an English translation depends on the nationality of the intended readership

Hope this helps... khair, in shaa' Allah.

Regards,

Stephen H. Franke
San Pedro, California

Rear Admiral Navel Warfare Staff

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Note added at 1 day11 hrs (2008-07-09 03:45:58 GMT)
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Navel Warfare Staff = أركان حرب

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Note added at 4 days (2008-07-11 18:35:21 GMT)
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عَمِيد = Brigadier General (in Military) = Rear Admiral (upper half)
http://dictionary.sakhr.com/idrisidic_2MM.asp?Lang=E-A&Sub=��...
أَمِيرالاي غيــر عــربـــي
عَمِيد ( رُتْبَةٌ عَسْكَرِيَّة )
Brigadier General أَمِيرالاي is above the Commodore rank, a Brigadier General is an army officer of a rank between General and Colonel; officer commanding a brigade on the other hand a Commodore is a military rank used in some navies for officers whose position exceeds that of a navy captain, but is less than that of a rear admiral.
Rear admiral is a naval commissioned officer rank above that of a Commodore and Captain, and below that of a Vice Admiral. In most armed forces it is referred to as a two-star rank. An American commodore is not a permanent rank, recognized by government.
In the history link, you posted, it is clear that it was just a temporarily assignment for Captains for commanding a small number of ships at that time which was reversed With President Reagan's signature on the Fiscal year 1986 Defense Authorization bill, O-7 officer were again called rear admiral (lower half).
Rear Admiral (Upper Half) Navel Warfare Staff is exact equivalent of =العميد بحري أركان حرب

USA Navy Titles:
Fleet Admiral FADM
Admiral ADM
Vice Admiral VADM
Rear Admiral (upper half) RADM
Rear Admiral (lower half) RDML
Captain CAPT
Commander CDR
Lieutenant Commander LCDR
Lieutenant LT
Junior Grade JG
Ensign ENS
Royal Navy Ranks:
Admiral of the Fleet, Admiral , Vice Admiral, Rear Admiral, Commodore, Captain, Commander Lieutenant-Commander, Lieutenant Sub-Lieutenant, Midshipman, Officer and Cadet


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Note added at 4 days (2008-07-12 01:06:51 GMT)
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* القائد / قائد الفرقاطه
* الكابتن / من سفينة - - - فان الخط الكابتن
* العميد البحرى / اميرال الاسطول الصغير (في الولايات المتحدة فقط : الأدميرال (النصف السفلي))
* قال اللواء (في الولايات المتحدة فقط : الأدميرال (النصف الاعلى))
* نائب الاميرال
* الاميرال
* قائد الاسطول الاميرال او من الاسطول او الاميرال الكبرى http://ar.wikipedia.org/wiki/سلاح_البحرية
http://translate.google.com/translate?hl=en&sl=ar&u=http://a...
"Flag officers" includes any level that includes the word "brigade" (or Marine Brigadier), and generally in the leadership battle or a similar set of vessels Flotilla, rather than a single ship or aspect of the ship. ومع ذلك ، يمكن ايضا ان العمداء البحريون وظائف مؤقتة. Or may be it is "Marine Brigadier" Lets ask this question to Ms. Dina, how may stars this officer has if he/she has only one star then he/she is a Commodore = British equivalent but if he/she has two stars then please don't demote the poor guy or the lady.