Japan Maritime Self-Defense Force (Kaijou Jietai, JMSDF) 42,400 Personnel

JAPAN MARITIME SELF-DEFENCE FORCE NAVAL AVIATION (JMSDF) • Kaijou Jieitai • 海上自衛隊
Naval Aviation 9,800 personnel.

Forces by Role & Equipment by Type
(7 Air Groups)

• AIRCRAFT 93 combat capable. Total 204 Aircrafts.

Maritime Patrol 6 sqn (1 trg) with 93 MP ac:
90 Kawasaki - Lockheed Martin P-3J Orion;
3 Kawasaki - Lockheed Martin P-3C Orion;
10 Kawasaki P-1MPA (Ordered)

Electronic Warfare & Elint 1 sqn with 10 EW/Elint ac.
5 Kawasaki - Lockheed Martin EP-3C Aries;
2 Kawasaki - Lockheed Martin UP-3C Orion;
3 Kawasaki - Lockheed Martin UP-3D Orion (Training)

Reconnaissance 1 sqn with 4 Recce ac:
4 Kawasaki - Lockheed Martin OP-3C Orion;

Search and Rescue 1 sqn with 7 SAR ac:
4 Shin Meiwa US-1A;
3 Shin Meiwa US-2

Transport 1 sqn with 12 Tpt ac:
3 NAMC YS-11M;
5 Raytheon King Air LC-90
4 Bombardier U-36A Learjet

Training 3 sqn with 75 Trg ac :
38 Fuji T-5;
29 Raytheon - Beech King Air TC-90;
8 NAMC YS-11T;

Air Development and Test sqn 3+ Test ac/hel:
1 Kawasaki - Lockheed Martin UP-3C Orion
2 Kawasaki XP-1MPA


• HELICOPTER 102 combat capable. Total 139 Helicopters.

Anti-Submarine & Anti-Surface Warfare 7 sqn (shipboard/trg) with 93 ASuW/ASW hel:
64 Mitsubishi SH-60J Seahawk;
29 Mitsubishi SH-60K Seahawk;

Minesweeping 1 sqn with 11 MCM hel:
9 Sikorsky MH-53E Sea Dragon
2 AgustaWestland MCH-101 Merlin (helicopter equipped with Northrop Grumman's Airborne Laser Mine Detection System (ALMDS));

Search and Rescue 2 sqn with 18 SAR hel:
19 Mitsubishi UH-60J Black Hawk

Support 1 sqn with 5 Spt hel:
4 AgustaWestland CH-101 Merlin (with mine sweeping);
5 AgustaWestland CH-101 Merlin (additional ac being delivered);

Utility sqn with 4 utl hel:
3 Mitsubishi S-61A BlackHawk;
1 Sikorsky USH-60K BlackHawk;

Rotary Flying Training 1 sqn with 8 Trg hel :
5 Eurocopter EC-135;
3 Hughes Helicopters OH-6D Cayuse (MD-500MD);
5 Hughes Helicopters OH-6DA Cayuse (MD-500ME);
1 Hughes Helicopters OH-6J Cayuse;
10 Eurocopter TH-135 (Ordered);

63 Mitsubishi HSS-2B SeaKing (storage or retired)

• MISSILES
  ASM


• FACILITIES
  Japan Maritime Self- Defense Force Naval Aviation Main Headquarters: HQ Located at Tokyo

Naval Aviation Airfields and Airbases Organisation: 7 Air Groups
Atsugi, Hachinohe, Iwakuni, Kanoya, Komatsujima, Naha, Ominato, Omura, Ozuki, Shimofusa, Tateyama, Tokushima

Koku Shudan (Fleet Air Group) at Atsugi
Dai 51 Koku-tai: P-3
Dai 61 Koku-tai: YS-11T, LC-90
Dai 111 Koku-tai (Iwakuni): MH-53      
Dai 1 Koku-gu at Kanoya
Dai 1 Koku-tai: P-3, LC-90
Dai 7 Koku-tai: P-3
Kanoya Koku Kichi-tai: UH-60
Dai 2 Koku-gu at Hachinohe
Dai 2 Koku-tai: P-3
Dai 4 Koku-tai: P-3
Hachinohe Koku Kichi-tai: UH-60
Dai 4 Koku-gu at Atsugi
Dai 3 Koku-tai: P-3
Dai 6 Koku-tai: P-3
Atsugi Koku Kichi-tai: UH-60
Io-jima Koku Kichi-tai: HSS-2, MCH-101
Minami-Torishima Koku Kichi-tai: HSS-2, CH-101
Dai 5 Koku-gu at Naha
Dai 5 Koku-tai: P-3
Dai 9 Koku-tai: P-3
Dai 21 Koku-gu at Tateyama
Dai 101 Koku-tai: HSS-2
Dai 121 Koku-tai: SH-60
Dai 123 Koku-tai: SH-60
Dai 22 Koku-gu at Omura
Dai 122 Koku-tai: SH-60
Dai 124 Koku-tai: SH-60
Dai 31 Koku-gu at Iwakuni
Dai 8 Koku-tai: P-3
Dai 71 Koku-tai: US-1
Atsugi Haken-tai (Atsugi): US-1      
Dai 81 Koku-tai: EP-3, U-36, LC-90
Yokosuka Chiho-tai at Yokosuka
Shirase Hiko-han (Tateyama): HSS-2, OH-6, EC-135       
Kure Chiho-tai at Kure
Komatsujima Hiko-han (Komatsujima): HSS-2, SH-60      
Sasebo Chiho-tai at Sasebo Omura Hiko-han (Omur): HSS-2, SH-60 
Ominato Chiho-tai at Ominato
Ominato Hiko-han (Ominato): HSS-2, SH-60
     
Kyoiku Koku Shudan at Shimofusa
Shimofusa Kyoiku Koku-gun at Shimofusa
Dai 205 Kyoiku Koku-tai: YS-11
Dai 203 Kyoiku Koku-tai: P-3
Shimofusa Koku Kichu-tai: UH-60
Tokushima Kyoiku Koku-gun at Tokushima
Dai 202 Kyoiku Koku-tai: LC-90
Dai 202 Shien Seibi-tai: UH-60
Tokushima Koku Kichu-tai: HSS-2
Ozuki Kyoiku Koku-gun at Ozuki
Dai 201 Kyoiku Koku-tai: T-5
Dai 211 Kyoiku Koku-tai (Kanoya): HSS-2, SH-60, OH-6, EC-135     
zuki Koku Kichu-tai: HSS-2, CH-101

Utsunomiya (RJTU) Air Base:
Fuji Heavy Industries: T-5


Japan Maritime Self- Defense Force Main Headquarters: HQ Located at Tokyo

Bases Located at Kure, Sasebo, Yokosuka, Maizuru, Ominato

Surface units organised into 4 Escort Flotillas with a mix of 7–8 warships each. Bases at Yokosuka, Kure, Sasebo, Maizuru, Ominato. SSK organised into 2 Flotillas with bases at Kure and Yokosuka. Remaining units assigned to 5 regional districts.

Japan Maritime Self- Defense Force Current order of battle and inventory equipment:
SUBMARINES • TACTICAL • SSK 16:
PRINCIPAL SURFACE COMBATANTS 52
DESTROYERS 44 (DDG 40; DD 4): FRIGATES • FFG 8:
PATROL AND COASTAL COMBATANTS 7 (PFM 6; PHM 1)
MINE WARFARE • MINE COUNTERMEASURES 32 (MCM SPT 4: MSO 3: MSC 25)
AMPHIBIOUS 25 (LS • LST 5: LANDING CRAFT 20 (LCU 2; LCM 12; ACV 6))
LOGISTICS AND SUPPORT 76 (AOE 5; AS 1; ASR 1; ARC 1; AG 2; AGOS 2; AGS 4; AGB 1; ATF 22; TRG 6; SPT 5; YDT 6; YTM 20)