"You were lucky. By the time Major Kersey and his team were able to blast their way down to your position, the Hive – what remained of it – was already half full of water. It sank minutes after they extracted you."
Richard Woolsey[src]

Major Kersey was a military member of the Atlantis expedition who was part of a rescue team that extracted Lt. Colonel John Sheppard's and Major Evan Lorne's teams from a Hive Ship that was sinking in the ocean of M35-117. (SGA: "Infection")