Yes, the Global Entry card is an officially accepted form of photo ID for domestic travel within the United States. As of 2026, it is fully REAL ID compliant, meaning you can use it to pass through TSA security checkpoints at airports even if your state driver's license is not yet upgraded. It is also a valid form of identification at federal buildings. However, it is important to note that for international air travel, the Global Entry card is not a substitute for your passport; you still need your physical passport book to fly between countries. For 2026 travelers, the card is most useful at "Sentri" and "Nexus" land border crossings between the U.S., Canada, and Mexico, where you can use the card in the dedicated "Trusted Traveler" lanes to bypass long vehicle queues. Always keep the card in your wallet as a high-tier secondary ID, but never leave home for a flight without your primary passport.