<unk> <unk> <unk> <unk> <unk>  Passage: The airline was established in 2002 as a successor to the insolvent Balkan Bulgarian Airlines and commenced operations on 4 December that year. By order of the Minister of Transport and Communications it was declared the national flag carrier in November 2002. ️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ The name "Bulgaria Air" and initial logo were determined by a public competition. Bulgaria Air<unk> was privatized in 2006; although it was rumored that the government wanted to sell the carrier to a major foreign investor, a group of locally owned companies, led by Hemus Air, emerged as the buyer with Italian airline Air One being the only other contender. <unk> <unk> <unk> <unk> Since then all flights and operations of Hemus Air and its subsidiary Viaggio Air are under name and management of the merged company, Bulgaria Air. Since then all flights and operations of Hemus Air and its subsidiary Viaggio Air are under name and management of the merged company, Bulgaria Air.  Question: Which airline company has history related to Bulgaria Air from the year 2002?
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