Dvaa-015 -

They first noticed the tag because it didn't fit the usual pattern. Most project codes at the facility were blunt and bureaucratic — five-letter acronyms, fiscal years, the occasional Roman numeral. DVAA-015 read like an afterthought: two letters, two more, a dash, and a number that suggested it was neither the first nor the last in a line. It carried an odd intimacy, as if someone had labeled a small, private thing rather than a program designed to be compartmentalized.