HARP is a non-funded program in which enlisted personnel return to their hometowns for 12 days (beginning on Monday and ending on Friday the following week) to assist local recruiters by relating their Navy experiences to their peers. participate in HARP Duty in conjunction with PCS orders shall submit HARP requests to NAVCRUITCOM (N1) 6 to 9 months prior to the desired. Bluejacket Harp Duty will fund worldwide roundtrip travel as funding permits for selected junior sailors to their hometowns. Basically, RAP duty is what you do between school and your first command, for up to five days leave credit. Free Online Library: Try HARP Duty, It Pays.