Complex sentence: Apart from operational and administrative offices, it contained the centers of several regiments and corps of the Sri Lanka Army, including the Colombo Military Hospital which was moved to a suburb of Colombo in 2007.
Split into simpler sentences: Apart from operational and administrative offices, it contains the centers of several regiments and corps of the Sri Lanka Army. Until 2006 the Colombo Military Hospital was based here, however it was moved to a suburb of Colombo in 2007.