The Central Intelligence Agency has announced that a member of its "puppy class" has gone into early retirement after she failed to show interest in explosive detection as a career.

The Central Intelligence Agency (CIA) is a civilian foreign intelligence service of the United States federal government, tasked with gathering, processing, and analyzing national security information from around the world, primarily through the use of human intelligence.

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It made the announcement on Wednesday that 1-1/2-year-old Lulu was exiting the explosive detection program after its handlers determined she was not enjoying her career path.

On its twitter page, the CIA said in a news release that "A few weeks into training, Lulu began to show signs that she wasn't interested in detecting explosive odors.

"All dogs, just like most human students, have good days and bad days when learning something new. The same is true during our puppy classes. A pup might begin acting lazy, guessing where the odors are, or just showing a general disregard, for whatever is being taught at the moment. Usually, it lasts for a day, maybe two."

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The agency tweeted that "Lulu wasn't interested in searching for explosives," and "Even when motivated [with] food & play, she was clearly no longer enjoying herself."

It further stated that "Our trainers' top concern is the physical and mental well-being of our dogs, so they made the extremely difficult decision to do what's best for Lulu and drop her from the program.”