SECNAV Instruction 10520.6 (2002)
“ The temporary substitution of this Jack represents an historic reminder of the nation’s and Navy’s origin and will to persevere and triumph. 2. Action. The first navy jack will be displayed on board all U.S. Navy ships in lieu of the Union Jack, in accordance with sections 1259 and 1264 of reference (a) . The display of the first Navy Jack is an authorized exception to section 1259 of reference (a) . Ships and craft of the Navy authorized to fly the first Navy Jack will receive an issue of four flags per ship through a special distribution. ”
