Try a search for Military images.
  1. basic training clipart. Royalty-free image # 369933
  2. Army man holding a gun clipart. Royalty-free image # 369934
  3. army-005 clipart. Royalty-free image # 369935
  4. army-007 clipart. Royalty-free image # 369937
  5. Military helicopter clipart. Royalty-free image # 369928
  6. chinook helicopter clipart. Royalty-free image # 369929
  7. American soldier saluting  clipart. Royalty-free image # 369931
  8. soldier400 clipart. Royalty-free image # 159341
  9. soldier500 clipart. Royalty-free image # 159342