Rear Admiral Henry Gallant: The Henry Gallant Saga, Book 8 (Unabridged‪)‬

The enemy aliens sued for peace...but they lied! To Humanity’s shock and horror, the Titans launched a surprise attack on the Solar System. They devastated the United Planet’s Home Fleet. Henry Gallant’s Task Force 34 is all that stands between the aliens and Earth. At home, Alaina wanted to start a family. Forcing Gallant to assess if he was a Natural "superman" or a disappointment to one and all.

For fans of Horatio Hornblower.