Upon completion of his 1-year deployment he was assigned as a drill sergeant at Fort Benning, Georgia, until his enlistment expired; Tilley left the active duty army for two years and served in the Reserve Component before enlisting again in the Active Component in September 1971.
əpˌɑːn kəmplˈiːʃən ʌv hɪz wˈʌnjˈɪɹ dᵻplˈɔɪmənt hiː wʌz ɐsˈaɪnd æz ɐ dɹˈɪl sˈɑːɹdʒənt æt fˈɔːɹt bˈɛnɪŋ, dʒˈɔːɹdʒə, ʌntˈɪl hɪz ɛnlˈɪstmənt ɛkspˈaɪɚd; tˈɪli lˈɛft ðɪ ˈæktɪv dˈuːɾi ˈɑːɹmi fɔːɹ tˈuː jˈɪɹz ænd sˈɜːvd ɪnðə ɹɪzˈɜːv kəmpˈoʊnənt bᵻfˌoːɹ ɛnlˈɪstɪŋ ɐɡˈɛn ɪnðɪ ˈæktɪv kəmpˈoʊnənt ɪn sɛptˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd sˈɛvənti wˈʌn.