Complex sentence: Sailing via Colombo, the battalion disembarked in Bombay, transferring to the "Rohna" for the remainder of the journey through the Suez Canal, disembarking at El Kantara, in Egypt, in February 1941.
Split into simpler sentences: Sailing via Colombo, the battalion disembarked in Bombay, transferring to the "Rohna" for the remainder of the journey. Transiting the Suez Canal, they disembarked at El Kantara, in Egypt, in February 1941.