sea, and they move 8 squares per round. Their high speed and great
mobility make fighters ideal for exploring. However, fighters must
periodically land at user-owned cities for refueling. A fighter can
-travel 32 squares without refeuling. Fighters are also shot down if
+travel 32 squares without refueling. Fighters are also shot down if
they attempt to fly over a city which is not owned by the user.</para>
<para><emphasis remap='B'>Patrol boats</emphasis> are fast but lightly
armored. Therefore they are useful for patrolling ocean waters and
exploring. In an attack against a stronger boat, however, patrol
-boats will suffer heavy casulties.</para>
+boats will suffer heavy casualties.</para>
<para><emphasis remap='B'>Destroyers</emphasis> are fairly heavily
armored and reasonably quick to produce. Thus they are useful for
<para><emphasis remap='B'>Battleships</emphasis> are similar to
destroyers except that they are much stronger.</para>
-<para><emphasis remap='B'>Satellites</emphasis> are only useful for reconaissance. They can not
+<para><emphasis remap='B'>Satellites</emphasis> are only useful for reconnaissance. They can not
be attacked. They are launched in a random diagonal orbit, and
stay up for 50 turns. They can see one square farther than other
objects.</para>