word | | Military branches |
| Iraqi | Iraq | Iraqi Armed Forces: Iraqi Army (includes Iraqi Special Operations Force, Iraqi Intervention Force), Iraqi Navy (former Iraqi Coastal Defense Force), Iraqi Air Force (former Iraqi Army Air Corps) (2005) |
| IRGC | Iran | ... ye Iran; includes air defense); Islamic Revolutionary Guard Corps (Sepah-e Pasdaran-e Enqelab-e Eslami, IRGC): Ground Forces, Navy, Air Force, Qods Force (special operations), and Basij Force (Popular Mobilization Army ... |
| Irish | Ireland | Irish Defense Forces (Oglaigh na h-Eireann): Army (includes Naval Service and Air Corps) (2008) |
| Islamic | Iran | Islamic Republic of Iran Regular Forces (Artesh): Ground Forces, Navy, Air Force of the Military of the Islamic Republic of Iran (Niru-ye Hava'i-ye Artesh-e Jomhuri-ye Eslami-ye ... |
| Islamique | Mauritania | Mauritanian Armed Forces: Army, Mauritanian Navy (Marine Mauritanienne; includes naval infantry), Air Force (Force Aerienne Islamique de Mauritanie, FAIM) (2008) |
| Island | Denmark | Defense Command: Army Operational Command, Admiral Danish Fleet, Island Command Greenland, Tactical Air Command, Home Guard (2008) |
| Islands | Cayman Islands | no regular military forces; Royal Cayman Islands Police Force (2007) |
| Islands | Marshall Islands | no regular military forces; under the 1983 Compact of Free Association, the US has full authority and responsibility for security and defense of the Marshall Islands; Marshall Islands Police (2008) |
| Islands | Solomon Islands | no regular military forces; Solomon Islands Police Force (2008) |
| Israel | Israel | Israel Defense Forces (IDF), Israel Naval Forces (INF), Israel Air Force (IAF) (2007) |
| Italian | Italy | Italian Army (Esercito Italiano, EI), Italian Navy (Marina Militare Italiana, MMI), Italian Air Force (Aeronautica Militare Italiana, AMI), Carabinieri Corps (Arma dei Carabinieri, CC) (2008) |
| Italiana | Italy | Italian Army (Esercito Italiano, EI), Italian Navy (Marina Militare Italiana, MMI), Italian Air Force (Aeronautica Militare Italiana, AMI), Carabinieri Corps (Arma dei Carabinieri, CC) (2008) |
| Italiano | Italy | Italian Army (Esercito Italiano, EI), Italian Navy (Marina Militare Italiana, MMI), Italian Air Force (Aeronautica Militare Italiana, AMI), Carabinieri Corps (Arma dei Carabinieri, CC) (2008) |
| Ivoire | Cote d'Ivoire | Cote d'Ivoire Defense and Security Forces (FDSC): Army, Navy, Air Force (2006) |
| JAF | Jordan | Jordanian Armed Forces (JAF): Royal Jordanian Land Force, Royal Jordanian Navy, Royal Jordanian Air Force (Al-Quwwat al-Jawwiya al-Malakiya al-Urduniya), Special Operations Command (Socom); Public Security Directorate (normally falls ... |
| Jamahiriya | Libya | Armed Peoples on Duty (APOD, Army), Libyan Arab Navy, Libyan Arab Air Force (Al-Quwwat al-Jawwiya al-Jamahiriya al-Arabia al-Libyya, LAAF) (2008) |
| Jamahiriya | Yemen | Army (includes Republican Guard), Navy (includes Marines), Yemen Air Force (Al Quwwat al Jawwiya al Jamahiriya al Yemeniya; includes Air Defense Force) (2008) |
| Jamahiriyah | Tunisia | Army, Navy, Republic of Tunisia Air Force (Al-Quwwat al-Jawwiya al-Jamahiriyah At'tunisia) (2008) |
| Jamaica | Jamaica | Jamaica Defense Force: Ground Forces, Coast Guard, Air Wing (2007) |
| Japanese | Japan | Japanese Ministry of Defense (MOD): Ground Self-Defense Force (Rikujou Jietai, GSDF), Maritime Self-Defense Force (Kaijou Jietai, MSDF), Air Self-Defense Force (Koku Jieitai, ASDF) (2008) |
| Jawwiya | Jordan | ... Forces (JAF): Royal Jordanian Land Force, Royal Jordanian Navy, Royal Jordanian Air Force (Al-Quwwat al-Jawwiya al-Malakiya al-Urduniya), Special Operations Command (Socom); Public Security Directorate (normally falls under Ministry ... |
| Jawwiya | Kuwait | Land Forces, Kuwaiti Navy, Kuwaiti Air Force (Al-Quwwat al-Jawwiya al-Kuwaitiya), National Guard (2007) |
| Jawwiya | Libya | Armed Peoples on Duty (APOD, Army), Libyan Arab Navy, Libyan Arab Air Force (Al-Quwwat al-Jawwiya al-Jamahiriya al-Arabia al-Libyya, LAAF) (2008) |
| Jawwiya | Tunisia | Army, Navy, Republic of Tunisia Air Force (Al-Quwwat al-Jawwiya al-Jamahiriyah At'tunisia) (2008) |