Second lieutenant is a junior commissioned officer military rank in many armed forces. The lowest officer rank, it is usually placed below lieutenant or first lieutenant.
Sergeant major is a senior non-commissioned rank or appointment in many militaries around the world.
Ranks and insignia of NATO affiliated nations are combined military insignia used by the member countries of the North Atlantic Treaty Organization.
The comparative military ranks of Korea are the military insignia used by the two nations on the Korean Peninsula, those being the Republic of Korea Armed Forces and the Korean People's Army of the Democratic People's Republic of Korea. The United States Forces Korea personnel wear the ranks and insignia used by other service personnel of the United States Armed Forces in the territories of the United States.
The Ranks and insignia of the Japan Self-Defense Forces are the military insignia used by the Japan Self-Defense Forces.
The Military ranks of South Korea are the military insignia used by the Republic of Korea Armed Forces. Due to the close military cooperation and the presence of the United States Forces Korea, South Korean ranks are inspired by the United States.
The Military ranks of Romania are the military insignia used by the Romanian Armed Forces.
The Military ranks of Socialist Yugoslavia are the military insignia used by the Yugoslav People's Army.
The Rank insignia of the Iranian military are the ranks used by the Islamic Republic of Iran Armed Forces (IRIAF). The armed forces are split into the Islamic Republic of Iran Army and the Islamic Revolutionary Guard Corps. The ranks used by the Law Enforcement Forces share a similar structure to the military.
The Pakistan Army ranks and insignia encompass the military insignia utilized by the Pakistan Army. As a former Dominion, Pakistan adopts a rank structure similar to that of the British Army.
The Military ranks of Philippines are the military insignia used by the Armed Forces of the Philippines.
The Military ranks of Syria are the military insignia used by the Syrian Armed Forces. The Syrian military ranks use a rank structure similar to that of the British Armed Forces and the French Armed Forces. Commissioned officers' rank insignia are identical for the army and air force. These are gold on a bright green or black shoulder board for the army and gold on a bright blue board for the air force. Officer ranks are standard, although the highest is the equivalent of Colonel General, a rank held in 1986 only by the commander in chief and the minister of defense. Navy officer rank insignia are gold stripes worn on the lower sleeve. The highest-ranking officer in Syria's navy is the equivalent of lieutenant general. Army and air force rank for warrant officers is indicated by gold stars on an olive green shield worn on the upper left arm. Lower noncommissioned ranks are indicated by upright and inverted chevrons worn on the upper left arm.
Rank comparison chart of all armies and land forces of North and South American states.
The military ranks of Afghanistan were the military insignia used by militaries of Afghanistan throughout history.
The military ranks of Ethiopia are the military insignia used by the Ethiopian National Defense Force (ENDF). While Ethiopia is a landlocked country, it is in the process of reestablishing a Blue-water navy. On 8 January 2022, the rank of field marshal general was awarded for the first time to Birhanu Jula. At the same time, new ranks were introduced to the ENDF.
The military ranks of Spain are the military insignia used by the Spanish Armed Forces.
The Military ranks of Vanuatu are the military insignia used by the Vanuatu Police Force and Vanuatu Mobile Force.
The Military ranks of Montenegro are the military insignia used by the Armed Forces of Montenegro.
Commissioned officers' and enlisted rank comparison chart of all marine forces.
The Military ranks of Panama are the ranks used by the Panamanian Public Forces, which have some warfare capabilities. Panama abolished its army in 1990, which was confirmed by a unanimous parliamentary vote for constitutional change in 1994.
Guatemalan Army [1] 
