Does a Warrant Officer salute a Lieutenant in the Australian Army?
Yes. A lieutenant outranks a warrant officer. If you are familiar with the foreign military’s rank structure you salute their officers as well. Army Regulation 600-25 Salutes, Honors, and Visits of Courtesy Chapter 1-5 Paragraph e: e. It is customary to salute officers of friendly foreign nations when recognized as such. The commanding general, U.S. European Command; the commanding general, U.S. Army Europe and Seventh U.S. Army; commanding general, U.S. Forces Korea and Eighth U.S. Army; commanding General, U.S. Army, Pacific; and commanding general, U.S. Army, Southern Command, are delegated the authority to stablish policies for recognition courtesies prevailing locally for foreign officials. Should inactivation eliminate any of these commands, the authority will pass down to the next level of command. This authority will not be delegated further.