Answer: FORTS

AnswerCrossword Clue
FORTSDodge and Dearborn.
FORTSBig warplanes.
FORTSFlying behemoths of World War II.
FORTSKnox and Sumter.
FORTSKnox and Dix.
FORTSCitadels.
FORTSArmy posts.
FORTSStrongholds.
FORTSJefferson and Lee.
FORTSBastions.
FORTSKnox and others.
FORTSOrd, Knox, etc.
FORTSDefense positions
FORTSOrd and Knox
FORTSLewis and Dix
FORTSSill and Ord, e.g.
FORTSDix and Knox
FORTSDix and Lee
FORTSKnox and Ord
FORTSDix and Sumter, e.g.
fortsfortified place
FORTSOater strongholds
FORTSSome military targets
FORTSOld West strongholds
FORTSKids' snow creations
FORTSBliss in Texas et al.
FORTSOater outposts
FORTSKnox and Dix
FORTSOld West outposts
FORTSSnow structures
FORTSStructures built on snow days
FORTSArmy posts
FORTSDix and Ord
FORTSBenning, Bragg and Bliss
FORTSSumter and McHenry
FORTSBragg and Dix
FORTSArmy outposts
FORTSArmy bases
FORTSMilitary installations
FORTSMilitary outposts