This includes the duration of authorized TDY travel and duty, the amount of travel pay or other money permitted to the service member, and how lodging and transportation are handled during the period of duty.ĭo a Google search on the phrase “TDY rules” and you will find a staggering amount of information. The documentation of the duty authorization, related expenses, and the results of the duty are required as a typical part of the process.Īll other details are subject to change by government regulations. TDY orders are required because Department of Defense regulations authorizing travel pay, per diem, and other expenses must be justified by official military orders to a specific location for a specific purpose. The basic distinguishing factor about TDY orders and their variants (TCS, TAD, etc.) is that these orders are designed to authorize duty in a location away from the service member’s duty station or assignment on a temporary basis. TDY Orders and Their Variants Are Subject to Regulation Changes The United States Marine Corps also uses TDY, but includes something called Long-Term TDY for orders authorizing duty at another location for longer than 30 days. Temporary Change of Station (TCS) orders authorize duty in a similar way to TDY orders.

The Army has other categories similar to TDY orders. Temporary Duty orders are known as TDY orders in the Air Force and the United States Army. Official communications from the Navy official site refer to TAD as the Navy version of TDY. The Navy has Temporary Duty orders and Temporary Additional Duty orders. What are Temporary Duty Orders? The Navy defines Temporary Duty Orders as, “duty at one or more locations, away from the permanent duty station (PDS), under an order, providing for further assignment or pending further assignment, to return to the old PDS or to proceed to a new PDS.” Different Acronyms for The Same General Purpose: TDY Orders Across The Services » MORE: Veterans can buy a home with $0 down

Tad military acronym