Francis Sackett, alias Frank Francis Jones, b. Luton, Beds, 9 Aug 1897 [19 Jul 1897 deleted], occupation wireman's mate; engaged 12 May 1916, hostilities, ht 5' 4½", chest 38, eyes hazel, complexion fair; Vivid II, rating Sto II, 12 May 1916; Blake (Mystic), Sto II, 18 Jul 1916; character 31 Dec 1916 vg; Sto I, 26 Feb 1917; 31 Dec 1917 vg; 20 Feb 1918, 7 day cells; Sto I, 28 Feb 1918; Hecla (Mystic), Sto I, 21 Mar 1918; Leander (Mystic), Sto I, 1 Apr 1918; Hecla (Mystic), 1 May 1918; Vivid II (Mystic), Sto I, 21 Dec 1918; 31 Dec 1918 vg; demob, 4 Feb 1919. NT/3095/18 Army deserter but not claimed by the WO. To be retained for further service in RN 23/1/18. RP 13387 True date of birth to be adopted for all official purposes.
—Royal Navy record
Vivid probably refers to the Navy barracks at Devonport. Meaning of "Mystic" is unknown.