The 77-year-old conditioner is expected to saddle three more this year: Oxbow, Titletown Five and Will Take Charge.

WSJ: 10 things to know for the Preakness

Sorenstam, 35, who is chasing a fifth win in this event, carded five birdies on the front nine and three more coming in as she played almost perfect golf from tee to green.

BBC: SPORT | Golf | Wie solid on professional debut

It is the third insider attack in three weeks, and of the six killed who were from this brigade, five have been killed by their allies.

BBC: UK soldier killed in Afghanistan 'insider attack'