A bill to amend the Internal Revenue Code of 1986 to expand the combat zone income tax exclusion to include income for the period of transit to the combat zone and to remove the limitation on such exclusion for commissioned officers, and for other purposes.

Amends the Internal Revenue Code with respect to non-taxed "combat zone" compensation to: (1) include "direct transit to the combat zone" within such definition; and (2) eliminate the enlisted personnel compensation ceiling for commissioned officers.Entitles military personnel eligible for special pay for hostile fire or imminent danger for services at Guantanamo Bay Naval Station, Cuba, and in the Horn of Africa in support of Operation Enduring Freedom or any successor operation to specified tax benefits as if such services were performed in a combat zone.