
ARLINGTON, Va. — The letter that arrived at Tita Derrow’s Chesapeake home on Jan. 20 was much like all the others.
Here was her son’s upbeat voice again, describing his life as a helicopter pilot in Iraq. He had recently moved from near the Syrian border to Fallujah, where the food was much better, and where he lived in a sandbagged tent that looked like a machine gunner’s nest.
The plastic Christmas tree with red, white and blue decorations she sent in the care package with the beef jerky was “the perfect touch,” and he was counting the days until his tour of duty, which began last April, was finally over.
The letter, dated Dec. 20,...