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Chapter 3 - Formations, vessels, aircraft and vehicles of the Armed Forces
                                       
Table 3.1 Number of vessels in the Royal Navy and Royal Fleet Auxiliary, and squadrons in the
                     Fleet Air Arm at 1 April each year
Royal Navy submarines   1990   1997     2000   2001   2002 2003   2004   2005   2006  
Total Vessels 33 || 15 1   16   16   16 16   15   15   14  
                      Trident / Polaris Vessels 4 || 3 1   4   4   4 4   4   4   4  
                      Fleet Vessels 29 || 12 1   12   12   12 12   11   11   10 2
 
Royal Navy ships   1990   1997     2000   2001   2002 2003   2004   2005   2006  
Aircraft Carriers Vessels 3 || 3 1   3   3   3 3   3   3   2 3
Landing Platform Docks / Helicopter Vessels 2 || 2 1   3   3   1 1   2   3   3  
                                       
Destroyers Vessels 14 || 12 1   11   11   11 11   11   9 4 8 5
Frigates Vessels 35 || 23 1   21   21   21 20   20   19   17 6
                                       
Mine countermeasures vessels Vessels 41 || 19 1   21   23   22 22   19   16 7 16  
Patrol ships and craft Vessels 34 || 34 1   23   23   23 22   26   26   22 8
Support ships Vessels 8 || 1 1   -   -   - -   -   -   -  
                                       
Survey ships Vessels 8 || 6 1   6   6   3 3   5   5   5  
Ice patrol ships Vessels 1 || 1 1   1   1   1 1   1   1   1  
 
Royal Fleet Auxiliary Service   1990   1997     2000   2001   2002 2003   2004   2005   2006  
Tankers Vessels 13   9     7   7   7 7   7   11 9 10 10
Fleet replenishment ships Vessels 4   5     4   4   4 4   6   2 9 2  
Aviation training ship Vessels -   1     1   1   1 1   1   1   1  
                                       
Landing ships Vessels 5   5     5   5   5 5   4   3   3 11
Forward repair ships Vessels 1   1     1   1   1 1   1   1   1  
Roll-on Roll-off vessels Vessels *   *     2   2   2 7   6   6   6  
 
Royal Marines   1990   1997     2000   2001   2002 2003   2004   2005   2006  
RM Commando Commandos 3   3     3   3   3 3   3   3   3  
Command Support Group Commandos 1   1     1   1   1 1   1   1   1  
Logistic unit Regiments 1   1     1   1   1 1   1   1   1  
Artillery unit Regiments 1   1     1   1   1 1   1   1   1  
Engineer unit Squadrons 1   1     1   1   1 1   1   1   1  
                                       
Nuclear Guarding and Fleet Security Squadrons ..   ..     1   3   3 3   3   3   3  
Assault (landing craft) Squadrons ..   ..     3   3   4 4   4   4   4  
 
Naval Aircraft   1990   1997     2000   2001   2002 2003   2004   2005   2006  
Fixed Wing Aircraft Squadrons 3   3     1 12 1   1 1   1   1   1  
Helicopters Squadrons 17   15     9 13 9   8 8 || 5 14 6 r 6  
 
Reserve Units   1990   1997     2000   2001   2002 2003   2004   2005   2006  
Royal Navy Reserve Units Units ..   ..     ..   16   16 16   16   16   14  
Royal Marine Reserve Units Units ..   ..     ..   5   5 5   5   5   5  
Source: MOD Resources and Plans

1.    All Royal Naval vessels are counted in 1990. Only active vessels are counted from 1997.

2.    HMS Spartan was withdrawn from service during the year.

3.    HMS Invincible went into Extended Readiness in late 2005.

4.    HMS Glasgow and HMS Newcastle were withdrawn from service during the year.

5.    HMS Cardiff was withdrawn from service during the year.

6.    HMS Marlborough and HMS Grafton were withdrawn from service during the year.

7.    HMS Bridport, Sandown and Inverness were withdrawn from service during the year.

8.    HMS Leeds Castle and the NI Squadron, consisting of HMS Brecon, HMS Cottesmore and HMS Dulverton, were with drawn from service during the year.

9.    Four Fleet replacement ships have been re-categorised as Tankers to reflect their primary role.

10.  RFA Grey Rover was withdrawn from service during the year.

11.  RFA Mounts Bay enterered service during the year. RFA Sir Tristram withdrawn from service

12.  Excludes Joint Force Harrier squadrons from 1 April 2000.

13.  Excludes Joint Helicopter Command squadrons from 1 October 1999.

14.  OCUs/ OEUs excluded.