Assertion: modern frigate | /r/HasAspect | a landing deck
Facets:
value: to operate helicopters
type: PURPOSE
value: for anti-submarine warfare
type: PURPOSE
Source sentences:
text: Especially for anti-submarine warfare, most modern frigates have a landing deck and hangar aft to operate helicopters, eliminating the need for the frigate to close with unknown sub-surface threats, and using fast helicopters to attack nuclear submarines which may be faster than surface warships.
text: Especially for anti-submarine warfare, most modern frigates have a landing deck and hangar aft to operate helicopters, eliminating the need for the frigate to close with unknown sub-surface threats, and using fast helicopters to attack nuclear submarines which may be faster than surface warships.