v3.26.1
Cover
Aug. 05, 2026
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 05, 2026
Entity File Number 001-39341
Entity Registrant Name T3 DEFENSE INC.
Entity Central Index Key 0001787518
Entity Tax Identification Number 38-3912845
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 14
Entity Address, Address Line Two th
Entity Address, Address Line Three Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10017
City Area Code 646
Local Phone Number 257-4214
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Entity Information, Former Legal or Registered Name Not Applicable
Common Stock, $0.0001 par value per share  
Title of 12(b) Security Common Stock, $0.0001 par value per share
Trading Symbol DFNS
Security Exchange Name NASDAQ
Warrants, each warrant exercisable for one Share of Common Stock for $11,500.00 per share  
Title of 12(b) Security Warrants, each warrant exercisable for one Share of Common Stock for $11,500.00 per share
Trading Symbol DFNSW
Security Exchange Name NASDAQ