NAVAL : adj : connected with or belonging to or used in a navy; "naval
history"; "naval commander"; "naval vessels"
From Webster's Revised Unabridged Dictionary
NAVAL : \Na"val\, a. [L. navalis, fr. navis ship: cf. F. naval.
See Nave of a church.]
Having to do with shipping; of or pertaining to ships or a
navy; consisting of ships; as, naval forces, successes,
stores, etc.