A lieutenant is a junior commissioned officer rank in the armed forces of many nations, as well as fire services, emergency medical services, security services and police forces.
Commander is a common naval officer rank as well as a job title in many armies. Commander is also used as a rank or title in other formal organizations, including several police forces. In several countries, this naval rank is termed as a frigate captain.
An aide-de-camp is a personal assistant or secretary to a person of high rank, usually a senior military, police or government officer, or to a member of a royal family or a head of state.
Commandant is a title often given to the officer in charge of a military training establishment or academy. This usage is common in English-speaking nations. In some countries it may be a military or police rank. It is also often used to refer to the commander of a military prison or prison camp.
Chief superintendent is a senior rank in police forces, especially in those organised on the British model.
Inspector, also police inspector or inspector of police, is a police rank. The rank or position varies in seniority depending on the organization that uses it.
The Philadelphia Police Department is the police agency responsible for law enforcement and investigations within the County and City of Philadelphia. The PPD is one of the oldest municipal police agencies, fourth-largest police force and sixth-largest non-federal law enforcement agency in the United States. Since records were first kept in 1828, at least 289 PPD officers have died in the line of duty.
A police commissioner is the head of a police department, responsible for overseeing its operations and ensuring the effective enforcement of laws and maintenance of public order. They develop and implement policies, manage budgets, and coordinate with other law enforcement agencies and community groups. Additionally, the commissioner handles high-profile cases, addresses public concerns, and represents the department in various forums.
In the United States Army, Marine Corps, Air Force and Space Force, major is a field officer above the rank of captain and below the rank of lieutenant colonel. It is equivalent to the naval rank of lieutenant commander in the other uniformed services. Although lieutenant commanders are considered junior officers by their services, the rank of major is that of a senior officer in the United States Army, the United States Marine Corps, and the United States Air Force.
Superintendent (Supt) is a rank in the British police and in most English-speaking Commonwealth nations. In many Commonwealth countries, the full version is superintendent of police (SP). The rank is also used in most British Overseas Territories, in many former British colonies, as well as in Portugal and in several former Portuguese colonies. In some countries, such as Italy, the rank of superintendent is a lower rank.
In the uniformed services of the United States, captain is a commissioned-officer rank. In keeping with the traditions of the militaries of most nations, the rank varies between the services, being a senior rank in the naval services and a junior rank in the ground and air forces. Many fire departments and police departments in the United States also use the rank of captain as an officer in a specific unit.
In the United States, commander is a military rank that is also sometimes used as a military billet title—the designation of someone who manages living quarters or a base—depending on the branch of service. It is also used as a rank or title in non-military organizations, particularly in law enforcement.
Police services in India comprises the Indian Police Service (IPS), DANIPS, and Pondicherry Police Service recruited by the central government, along with various State Police Services recruited by state governments. As policing is a state subject, the structure and organization of police forces vary across states. In most state police forces, ranks below Deputy Superintendent of Police (DSP) are considered subordinates, while DSP and above are supervisory ranks. These officers are organized in a structured hierarchical order.
The United States police-rank model is generally quasi-military in structure. A uniform system of insignia based on that of the US Army and Marine Corps is used to help identify an officer's seniority.
Chief inspector is a rank used in police forces which follow the British model. In countries outside Britain, it is sometimes referred to as chief inspector of police (CIP).
Sub-inspector (SI), or sub-inspector of police or police sub-inspector (PSI), is a rank used extensively in South Asia: in the police forces of Bangladesh, Pakistan, India, and Sri Lanka, which are primarily based on the British model. It was formerly used in most British colonial police forces and in certain British police forces as well. The rank usually was in charge of a police substation or assisted an inspector.
Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader or highest rank officer of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police department, election precinct, etc. In militaries, the captain is typically at the level of an officer commanding a company or battalion of infantry, a ship, or a battery of artillery, or another distinct unit. It can also be a rank of command in an air force. The term also may be used as an informal or honorary title for persons in similar commanding roles.
A police lieutenant is a police rank in some police departments, such as the French National Police, the Netherlands Royal Marechaussee, the Philippine National Police, the Police of Russia, the National Police of Ukraine, the Estonian Police and Border Guard Board, the Police of Armenia, the Militia of the Republic of Belarus, the Federal Police of Germany, the Vietnam People's Public Security, the Spain Civil Guard, the Royal Thai Police, the Buenos Aires Provincial Police, the Mossos d'Esquadra, the Sûreté du Québec, and various law enforcement agencies in the United States.
