Overseas Ballots are sent as of 45 days prior to the election - good idea to check it if yours has not appeared yet!
You can go to the our State Voting Information directory:
Look up your State and "Am I registered - State Look up Tools" and try to check status that way as well. Your state may have a "Where's my Ballot" lookup.
If the above suggestion does not give you an affirmative answer, please look up and call your election office to check (they manage ballot delivery to voters):
If you cannot obtain your ballot, please use the Federal Write-in Absentee Ballot available here: