A guitalele is a hybrid of a classic guitar and a ukulele. It sports a size equal to 1/4 of a classical acoustic guitar, along with all the tonal possibilities of a ukulele.
DTA stands for Digital Transport Adapter. It's an inexpensive and very basic digital cable device that allows you to watch all Limited Basic and Expanded Service channels that were migrated from analog to digital (Usually the first 99 channels). DTAs will not receive premium channels such as HBO, Showtime, etc.
Defense Health Agency. The Defense Health Agency (DHA) is a joint, integrated Combat Support Agency that enables the U.S Army, U.S Navy, and U.S Air Force medical services to provide a medically ready force and ready medical force to Combatant Commands in both peacetime and wartime.