Your challenge is to correctly identify the item and its location from the picture below. Clue: It’s somewhere at the NCI campus at Frederick or Fort Detrick.

Win a framed photograph of the Poster Puzzler and have your photo featured on the Poster website by e-mailing your guess, along with your name, e-mail address, and daytime phone number, to poster@mail.nih.gov.

All entries must be received by Friday, June 27, 2014, and the winner will be drawn from all correct answers received by that date.