Isn't that the same excuse given by SEAL wannabes when they get busted?
"Errr, my records were top secret, um, purged since it was a black on black op."
"Errr, my records were top secret, um, purged since it was a black on black op."
Any purported SEAL who tells you that is lying.
Check them out with the folks at AuthentiSEAL or VeriSEAL. They have complete rosters of all real SEALs and they want to hear about phonies.