Crosswordiee.com

% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Sub systems 6 letters:

SONARS: Sub systems
SONARS: Sub-detecting systems
SONAR: Sub system
TORPEDOTUBE: Part of a sub system
SONAR: Subs defense system
SONAR: Sub tracking system
SONAR: System used on a sub
BMT: Subway sub named for a former subway system