When full dress or overcoats are to be worn, the [full dress] or [ overcoat ]call immediately follows [first call], [guard mounting], or [boots and saddles].
Formation Calls.
[805.] [Assembly]: The signal for companies or details to fall in.
[Adjutant's call]: The signal for companies to form battalion; also for the guard details to form for guard mounting on the camp or garrison parade ground; it follows the [assembly] at such interval as may be prescribed by the commanding officer.
It is also used as a signal for the battalions to form regiment, following the first [adjutant's call] at such interval as the commanding officer may prescribe.
[To the color]: Is sounded when the color salutes.
Alarm Calls.
[806.] [Fire call]: The signal for the men to fall in, without arms, to extinguish fire.
[To arms]: The signal for the men to fall in, under arms, on their company parade grounds as quickly as possible.
[To horse]: The signal for mounted men to proceed under arms to their horses, saddle, mount and assemble at a designated place as quickly as possible. In extended order this signal is used to remount troops.