M. L. Buchman 
Love in the Drop Zone [EPUB ebook] 

-Delta Force romance story #8-
Cindy Sue Chavez rocks Delta Force training. However, this time the instructor drives her more than a little crazy. Almost as crazy as being called Cindy Sue.
Master Sergeant JD Ramírez believes in pushing his squad, male or female, as hard as he pushes himself. But Cindy Sue? Her he pushes the hardest of all.
When the mission calls for the sharpest Delta Force can offer, they discover LOVE in the DROP ZONE.