Brigadier is a military rank, the seniority of which depends on the country. In some countries, it is a senior rank above colonel, equivalent to a brigadier general or commodore, typically commanding a brigade of several thousand soldiers. In other countries, it is a non-commissioned rank.
Major is a senior military officer rank used in many countries. When used unhyphenated and in conjunction with no other indicators, major is one rank above captain in armies and air forces, and one rank below lieutenant colonel. It is considered the most junior of the senior officer ranks.
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.
Staff sergeant is a rank of non-commissioned officer used in the armed forces of many countries. It is also a police rank in some police services.
Lance corporal is a military rank, used by many English-speaking armed forces worldwide, and also by some police forces and other uniformed organisations. It is below the rank of corporal.
The military ranks of Mexico are the military insignia used by the Mexican Armed Forces. Mexico shares a rank structure similar to that of Spain.
The Military ranks of Nicaragua are the military insignia used by the Nicaraguan Armed Forces.
Major general is a military rank used in many countries. It is derived from the older rank of sergeant major general.
Rank comparison chart of all armies and land forces of North and South American states.
Rank comparison chart of air forces of North and South American states.
Rank comparison chart of navies of North and South American states.
Rank comparison chart of armies/ land forces of North and South American states.
Rank comparison chart of armies/land forces of Commonwealth of Nations states.
Rank comparison chart of Non-commissioned officer and enlisted ranks for air forces of North and South American states.
Rank comparison chart of armies/land forces of Commonwealth of Nations states.
The Military ranks of Belize are the military insignia used by the Belize Defence Force and Belize Coast Guard. Belize shares a rank structure similar to those used in the United Kingdom and the United States of America.
The Military ranks of Honduras are the military insignia used by the Armed Forces of Honduras.
The Military ranks of Zaire were the military insignia used by the Zairian Armed Forces. The ranks are based on the Belgian military ranks, with additional influence from France and the United States. Following the overthrow of Mobutu Sese Seko, the ranks were replaced by the military ranks of the Democratic Republic of the Congo.
Rank comparison chart of officers for armies/land forces of Anglophone states.
Rank comparison chart of Non-commissioned officer and enlisted ranks for armies/land forces of Anglophone states.
Guyana Army [2] 
Guyana Coast Guard 
Guyana Air Corps 
