"d-od" is likely a typo or abbreviation and lacks a standard, universally recognized meaning. Without more context, it is impossible to provide a definitive answer. It may be a specific term within a niche field or a simple misspelling.
Because the supplied reference pertains to the U.S. Department of Defense, it is possible that "d-od" is intended to reference the Department of Defense, but this is purely speculative.
Without further context, the meaning of "d-od" remains unclear.
