The Coast Guard enforces the access control rules at about 3,400 facilities covered by the Maritime Transportation Security Act. Yet, the Coast Guard does not routinely provide either the violation or deficiency data to field inspectors. In one case described to auditors, a worker whose credential had been canceled used his father’s TWIC card to enter a facility that lacked a reader. The Coast Guard terminated its reader contract in September 2024 after a server change rendered the devices obsolete. Article TopicsDHS | GAO (Government Accountability Office) | identity document | TWIC | U.S. Coast Guard | U.S. Government