The air force includes the 449th Helicopter Gunship Squadron (449 ΜΑΕ) – operating Aérospatiale SA-342L and Bell 206 and the 450th Helicopter Gunship Squadron (450 ME/P) – operating Mi-35P helicopters and the Britten-Norman BN-2B and Pilatus PC-9 fixed-wing aircraft. What date did the Evangelos Florakis Naval Base explosion occur?