Presents comprehensive information on air diving operations. It contains data & information from all groups within the Navy diving community, & reflects state-of-the-art diving capabilities of the U.S. Navy. New equipments appearing for the first time include the Underwater Breathing Apparatus (UBA) MK 20 MOD 0, UBA MK 21 MOD 1, the Light Weight Diving System (LWDS) MK 3 MOD 0, & the Transportable Recompression Chamber System (TRCS). Appendices: changes in the deployment of standby divers in ships husbandry diving, changes in treatment tables & new correction factors & guidance relating to the use of pneumofathometers.Dietrich, Alan J. is the author of 'U. S. Navy Diving Manual Air Diving', published 1999 under ISBN 9780788182600 and ISBN 0788182609.