I picked up on the second ring and stepped out into the cold stairwell.

“Lieutenant Commander Carter,” Captain Samuel Holt said, his blunt voice skipping any small talk.

“Captain,” I said.

“I’m currently on my approved emergency leave.”

“Your leave orders were logged, Commander, but command has just issued a priority tactical transport mobilization for our whole reserve unit,” Holt said.

Through the receiver I heard the sharp tap of his finger on his clipboard.

“What sort of mobilization?” I asked.