Yes you may
No, a TWIC card cannot be used as a passport for international travel.
No it does not.
Yes
A TWIC (Transportation Worker Identification Credential) card is primarily intended for individuals who need access to secure areas of maritime facilities and vessels for work purposes. It is not designed for passenger identification on cruises. Instead, cruise lines typically require a valid passport or other government-issued photo ID for boarding. Therefore, a TWIC card cannot be used as a substitute for the necessary travel documentation when going on a cruise.
No, The TWIC Card is only to authorize you to enter Sea Ports if request is approved by the FSO of that facility. It is merely an ID card that if you have one means the FBI has done a background on you and you have been cleared as a non terrorist or dangerous person to the transportation community specifically maritime.
Status of my twic card?
No, a TWIC card is not considered a Real ID.
Can I use my TWIC CARD to get a discount on a rental car?
where can i obtain twic card in Ro Grande Valley
Yes you can, employment is not a prerequisite for a TWIC.
No, you cannot get a TWIC card if you have an active warrant, including misdemeanors. It is important to resolve any legal issues before applying for a TWIC card.
No, you apply for them separately. TWIC card would be good to have, though.