The stories of the 350,000 women who serve in action or reserve duty are rarely told. In the book, Powder: Writing by Women in the Ranks, from Vietnam to Iraq, dozens of women Veterans have written poems and essays about their heroic, and sometimes brutal, service. NPR host Liane Hansen talks with Charlotte Brock, a former Marine Corp officer, about her wartime experience. Warning: Graphic content. Listen to the story on NPR