The Ministry of Defence (Burmese: ကာကွယ်ရေးဝန်ကြီးဌာန; abbreviated MoD) is a government ministry in Myanmar (Burma), responsible for the country's national security and the armed forces (the Tatmadaw). The ministry has the largest share of the national budget among all government ministries, with a budget of $2.289 billion USD in 2013. As part of the Burma Sanctions Program, the United States government prohibits its citizens from doing business with the Ministry of Defence of Myanmar or its affiliates.