PHALANX 1-2-1 (Bronze Working) [20]: a company of infantry armed
with long pikes and very strong on the defensive. Phalanxes are
very good for defending cities and other important points early
on. No other type of unit is as cost effective for defense until
Musketeers become available.

RIFLEMAN 3-5-1 (Conscription) [30]: a company of infantry armed
with rifles. Riflemen are excellent defenders or cities and
other points, and useful for replacing PHALANXES and Musketeers.

SAIL 1-1-3 (Navigation) [40]: a small ship powered by sails and
lightly armed. Sailing Ships may carry up to three other units
by naval transport. They are very useful for exploring the
oceans because they are not restricted to staying near the
coasts.

SUBMARINE 8-2-3 (Mass Production) [50]: a warship designed to
attack from underwater by firing torpedoes at enemy ships on the
surface. Submarines have a visibility of two sea squares and can
only be spotted by enemy ships when adjacent. They may not carry
ground units or conduct shore bombardment.

TRANSPORT 0-3-4 (Industrialization) [50]: a large, modern
transport ship. Transports may carry up to eight other units and
are very useful when carrying a large force to conduct an
invasion.

TRIREME 1-0-3 (Map Making) [40]: a small ocean-going ship
powered by oars. Triremes are lost at sea approximately half of
the time they are not adjacent to land at the end of a turn.
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