Underwater Demolition Team 13: Westpac 1969 cruise book. Many Naval commands make cruise books of their trips. Cruise books are photographic and written records of events and people on specific deployments. The 1969 UDT THIRTEEN cruise book brings together a collection of first-hand textual and photographic impressions of its WESTPAC deployment. The harmonizing of these significant experiences, each unique in attitude and point of view, best conveys the reality of the deployment, to be relived and enjoyed in all its color, drama, and poignancy in the years to come. The book contains 252 black & white photos, 4 full-page color photos, 7 hand-drawn illustrations, and 10,000 words.