Complex sentence: Brigadier Patterson, commander 99 Gurkha Infantry Brigade arrived to take overall command from Brigadier Pat Glennie, normally the Brigadier General Staff at Far East HQ, both reported to Lieutenant General Sir Nigel Poett the Far East Land Forces Commaqnder in Singapore.
Split into simpler sentences: Brigadier Patterson, commander 99th Gurkha Infantry Brigade arrived to take overall command from Brigadier Pat Glennie, normally the Brigadier General Staff at Far East HQ. Both reported to Lieutenant General Sir Nigel Poett, the Far East Land Forces Commander in Singapore.