The Bulgarian People's Army (Bulgarian: Българска народна армия, БНА, romanized: Balgarska narodna armiya, BNA) was the army of the People's Republic of Bulgaria. It comprised the Bulgarian Land Forces, Air Force and Air Defence, Navy and supporting arms. Bulgaria was one of the signatories of the Warsaw Pact. Along with troops from other Warsaw Pact countries, the BNA participated in the Warsaw Pact invasion of Czechoslovakia in 1968. However, other than this, the BNA did not see any combat during its existence. The Bulgarian People's Army was dissolved along with the People's Republic of Bulgaria in 1990 and was succeeded by the Bulgarian Armed Forces.