When Claudia Joy meets an old college friend, she mentions that nobody has called her CJ for 20 years. This contradicts Episode 17, where Roxy called her CJ during their golf game.
In Iraq, both Majors Davis and Sherwood have a gold, bright oak leaf Major's insignia on their Battle Dress Uniform (BDU) shirt, but have the blue, subdued oak leaf of a Lt. Colonel on their hats.
Characters keep saying that Katie and her classmates are 8 years old, but a few episodes prior, Lucas celebrated his 8th birthday. They aren't twins because it wasn't Lucas and Katie's birthday, just Lucas'.