Third Warrant Officer is a Warrant Officer

Warrant Officer

A warrant officer is an officer in a military organization who is designated an officer by a warrant, as distinguished from a commissioned officer who is designated an officer by a commission, or from non-commissioned officer who is designated an officer by virtue of seniority.The rank was first...

 rank in the Singapore Armed Forces

Singapore Armed Forces

The Singapore Armed Forces is the military arm of the Total Defence of the Republic of Singapore; as well as the military component of the Ministry of Defence. The SAF comprises three branches: the Singapore Army, the Republic of Singapore Air Force and the Republic of Singapore Navy...

. It is the most junior of the Warrant Officers, and holders of this rank are given appointments such as Company Sergeant Major. The rank was newly introduced on 14 May 2009, and went into effect on 01 April 2010, as part of a revised career structure for Warrant Officers. The rank insignia is similar to the one for Second Warrant Officer

Second Warrant Officer

Second Warrant Officer is a Warrant Officer rank in the Singapore Armed Forces. It was the most junior of the Warrant Officers until the rank of Third Warrant Officer was brought into effect on 01 April 2010....

, although the former has a finer chevron.

Master Sergeant

Master Sergeant

A master sergeant is the military rank for a senior non-commissioned officer in some armed forces.-Israel Defense Forces:Rav samal rishoninsignia IDF...

s (MSG) are promoted to Third Warrant Officer after attending the 3WO Professional Leadership Course.