f basic units
for the army, the War Department orders and regulations fixed the basis
of the organization as follows:

Sixty-four infantry regiments, 25 cavalry regiments, 21 regiments of
artillery, a coast army corps, the brigade division, army corps, and
army headquarters, with their detachments and troops. A general staff
corps, adjutant general's department, inspector general department,
judge advocate general department, quartermaster corps, medical
department, corps of engineers, and ordnance department, signal corps,
officers of the bureau of insular affairs, militia bureau and detached
officers.

The law specifies that the total armed force shall include the regular
army, volunteer army, officers' reserve corps, enlisted reserve corps,
and the National Guard of the various States, subject to call for duty
within the borders of the United States.

The reorganization of the army was being effected at the time Uncle Sam
was called to fight for humanity, and only an approximation of the
condition can be made, for about two-thirds of the National Guard had
been taken into the regular service incident to the trouble with Mexico,
when the Guardsmen were summoned to the border to protect the country,
and recruiting was proceeding in all branches of the service to bring
all the regiments up to a war footing.

UNITS ON WAR FOOTING.

The various units, on a war footing, are: Infantry regiment, 1,800 men;
cavalry regiment, 1,250 men; field artillery, light regiment, 1,150;
field artillery, horse regiment, 1,150; field artillery, heavy regiment,
1,240; field artillery, mountain regiment, 1,100; engineers, pioneer
battalion, 490; engineers, pioneer battalion, mounted, 270; engineers,
pontoon battalion, 500; signal troops, field battalion, 160; signal
troops, field (cavalry) battalion, 170; signal troops, aero squadron, 90
men. Trains--infantry division: ammunition, 260; supply, 190; sanitary,
530; engineer, 10. Cavalry: ammunition, 60; supply, 220; sanitary, 300.

A division of infantry consists of 3 brigades of infantry, 1 cavalry
regiment, 1 artillery brigade, 1 regiment of engineers, 1 field signal
battalion, 1 aero squad, 1 ammunition train, 1 supply train, 1
engineer's train and 1 sanitary train, and comprises approximately
22,000 men and 7,500 horses and mules, and 900 vehicles, including guns.
The latter figures are, however, changed by reason of the introduction
of motor trucks, and automobiles, there being a