The entrance of Krom Sanphawut Thahaan Bok, i.e. the Army Ordnance, located in the Dusit area of Bangkok.

This military logistics branch of the Army is responsible for the supply of weapons and ammunition to the Army combat units.

In his campaign to modernize the nation, King Rama V established the Krom Yuttanathikaan, from which this Army branch eventually evolved.