A hand salute rendered while walking should be held how long

HAND SALUTES AND OTHER MARKS OF RESPECT

1209. Exchange of hand salutes.

1. The hand salute is the long-established form of greeting and recognition exchanged between persons in the armed services. All persons in the naval service shall be alert to render or return the salute as prescribed in these regulations.
2. The salute by persons in the naval service shall be rendered and returned with the right hand, when practicable. With arms in hand, the salute appropriate thereto shall be rendered or returned.
3. Juniors shall salute first. All salutes received when in uniform and covered shall be returned; at other times salutes received shall be appropriately acknowledged. Persons uncovered shall not salute, except when failure to do so would cause embarrassment or misunderstanding.
4. Civilians maybe saluted by persons in uniform when appropriate, but the uniform hat or cap shall not be raised as a form of salutation.
5. A person in the naval service not in uniform shall, in rendering salutes or exchanging greetings, comply with the rules and customs established for a civilian, except that, when saluting another person in the armed services, the hand salute shall be used.

1210. Occasions for rendering hand salutes.

1. Salutes shall be rendered by persons in the naval service to officers of the armed services of the Untied States, the National Oceanic and Atmospheric Administration, the Public Health Service and foreign armed services.
2. All persons in the naval service shall salute all officers senior to themselves on each occasion of meeting or passing near or when addressing or being addressed by such officers; except that:
   1. On board ship, salutes shall be dispensed with after the first daily meeting, except for those rendered to the commanding officer and officer senior to him or her, to visiting officers, to officers making inspections, and to officers when addressing or being addressed by them.
   2. When such procedure does not conflict with the spirit of these regulations, at crowded gatherings or in congested areas, salutes shall be rendered only by a person addressing or being addressed by an officer who is senior to him or her.
   3. Persons at work or engaged in games shall salute only when addressed by an officer senior to them and then only if circumstances warrant.
   4. Persons in formation shall salute only on command.
   5. When boats pass each other with embarked officers or officials in view, hand salutes shall be rendered by the senior officer and coxswain in each boat. Officers seated in boats shall not rise when saluting; coxswains shall rise unless it is dangerous or impracticable to do so.
   6. Persons operating moving motor vehicles should not render or return salutes. Passengers will render and return salutes.
   7. Persons guarding prisoners will not salute.

1211. Other marks of respect.

1. Juniors shall show deference to seniors at all times by recognizing their presence and by employing a courteous and respectful bearing and mode of speech toward them.
2. Juniors shall stand at attention, unless seated at mess, or unless circumstances make such action impracticable or inappropriate:
   1. When addressed by an officer senior to them.
   2. When an officer of flag or general rank, the commanding officer, or an officer senior to the commanding officer in the chain of command, or an officer making an official inspection enters the room, compartment or deck space where they maybe.
3. Juniors shall walk or ride on the left of seniors whom they are accompanying.
4. Officers shall enter boats, aircraft and automobiles in inverse order of rank and shall leave them in order of rank, unless there is special reason to the contrary. The seniors shall be accorded the more desirable seats.
5. Subject to the requirements of the rules for preventing collisions, junior boats shall avoid crowding or embarrassing senior boats.