Complex sentence: By 2 March, Ukrainian military bases in Crimea were under the control of these unidentified soldiers; soldiers infiltrated the radio-technical company at the Maganome Cape near Feodosiya; the 55th Anti-Air Defense in Yevpatoriya had been seized.
Split into simpler sentences: By 2 March, Ukrainian military bases in Crimea were under the control of these unidentified soldiers. Soldiers infiltrated the radio-technical company at the Maganome Cape near Feodosiya; the 55th Anti-Air Defense in Yevpatoriya had been seized.