The Royal Navy’s largest warship, the carrier and assault ship HMS Ocean, has returned to London to provide helicopter support and sniper teams for the duration of the Olympics. RAF Typhoon fast jets and RAF Puma helicopters with snipers armed with hi-tech rifles will be among the military aircraft patrolling the restricted zone, air security pain including:
- RAF Typhoon fast jets based at Northolt
- RAF Puma helicopters with sniper teams, based at Ilford in east London
- Army Rapier and Starstreak ground-based air defence systems at six London sites
- Royal Navy Sea King helicopters based at Northolt
- Helicopter carrier HMS Ocean on the River Thames, base for helicopter operations and personnel accommodation

