Please see "Major

Major

Major is a rank of commissioned officer, with corresponding ranks existing in almost every military in the world.When used unhyphenated, in conjunction with no other indicator of rank, the term refers to the rank just senior to that of an Army captain and just below the rank of lieutenant colonel. ...

" for other countries which use this rank

Major is a rank of the Canadian Forces

Canadian Forces

The Canadian Forces , officially the Canadian Armed Forces , are the unified armed forces of Canada, as constituted by the National Defence Act, which states: "The Canadian Forces are the armed forces of Her Majesty raised by Canada and consist of one Service called the Canadian Armed Forces."...

. The rank insignia of a major is two half-inch stripes with a quarter-inch stripe between. Majors fill the positions of Company/Squadron/Battery

Artillery battery

In military organizations, an artillery battery is a unit of guns, mortars, rockets or missiles so grouped in order to facilitate better battlefield communication and command and control, as well as to provide dispersion for its constituent gunnery crews and their systems...

 Commanders, or Deputy Commanders of a Battalion

Battalion

A battalion is a military unit of around 300–1,200 soldiers usually consisting of between two and seven companies and typically commanded by either a Lieutenant Colonel or a Colonel...

/Regiment

Regiment

A regiment is a major tactical military unit, composed of variable numbers of batteries, squadrons or battalions, commanded by a colonel or lieutenant colonel...

; in the Air Force they are typically squadron second-in-command, or commander of a detached helicopter flight embarked onboard Canadian naval vessels

Her Majesty's Canadian Ship

The designation Her Majesty's Canadian Ship , is applied as a prefix to any Canadian Forces warship. In the reign of a king, the designation changes to His Majesty's Canadian Ship; the French version of the title remains unchanged in this instance...

. The Naval equivalent rank for Major is Lieutenant-Commander

Lieutenant-Commander (Canada)

In the Royal Canadian Navy, the rank of lieutenant-commander is the naval rank equal to major in the army or air force and is the first rank of senior officer...

.