Which service does not usually salute when uncovered and in civilian clothes?

The correct answer is that the Navy and Marine Corps do not usually salute when uncovered and in civilian clothes. In military customs and courtesies, saluting is an important sign of respect. However, the tradition varies among the different branches of the armed forces, especially concerning when members are not in uniform.

The Navy and Marine Corps have specific customs that dictate saluting practices. Members are generally not required to salute when they are in civilian attire, which includes situations when they are uncovered (i.e., not wearing headgear). This practice recognizes the informal nature of civilian clothing and adjusts the expectation of military decorum accordingly.

In contrast, both the Army and Air Force have different standards and are generally expected to salute regardless of their headgear status when in civilian clothes, particularly in situations where they encounter a senior officer. The Coast Guard also adheres to traditions similar to those of other branches but aligns closely with the Navy's customs in this scenario.

Understanding these variations in protocol helps service members navigate interactions with personnel from different branches and reinforces the importance of military traditions while acknowledging the nuances of service-specific customs.