Defense.gov News Photo 110105-N-7589W-087 - U.S. Navy Petty Officer 1st Class Carlos Sanchez left assigned to Naval Mobile Construction Battalion 28 Detail Bravo applies concrete sealant
ผู้เขียน: Petty Officer 1st Class Jeffery Tilghman Williams, U.S. Navyแหล่งที่มา: commons.wikimedia.org