Yep. That’s how the Navy does it.
It actually is pretty painless and worked well. No receipts to keep if it’s on your gov CC.
DTS has had a LOT of experience with the number of people always on travel between Seattle, San Diego, Hawaii, Guam, Japan, etc. That’s just for the people at NB Kitsap where I was.
Just don’t rack up a $10k bill on the card at a strip club and all’s good (that has happened BTW, and it’s not taken kindly).