| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Harbor defense | Military | (DOD) The defense of a harbor or anchorage and its water approaches against external threats such as: a. submarine, submarine-borne, or small surface craft attack; b. enemy minelaying operations; and c. sabotage. The defense of a harbor from guided missiles while such missiles are airborne is considered to be a part of air defense. See also port security. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
