In the Royal Canadian Navy, the rank of lieutenant commander (LCdr) (French: capitaine de corvette or capc) is the naval rank equal to major in the army or air force and is the first rank of senior officer. Lieutenant commanders are senior to lieutenants (N) and to army and air force captains, and are junior to commanders and lieutenant colonels. Typical appointments for a lieutenant commander include: * Navy uniform variations * Dress uniform tunic * Uniform shirts (old insignia) * Shoulder boards for short-sleeve shirt and tropical white tunic (old insignia) * CADPAT uniform (old insignia)