The Bulgarian Air Force’s fleet of Sukhoi Su-25 twin-engine ground attack aircraft ceased operations from Bezmer because of a lack of resources to overhaul them, the aeropress-bg web portal of the Bulgarian aviation magazine AERO reported on 15 January. The last Su-25 flight was conducted on 14 December 2017, and the Bulgarian Ministry of Defence is looking for solutions for ending the grounding, according to aeropress-bg. C4Defence