diff --git a/84_Super_Star_Trek/rust/src/commands.rs b/84_Super_Star_Trek/rust/src/commands.rs
index ffbdad61..5cd90150 100644
--- a/84_Super_Star_Trek/rust/src/commands.rs
+++ b/84_Super_Star_Trek/rust/src/commands.rs
@@ -97,6 +97,20 @@ fn find_end_quadrant_sector(start_quadrant: Pos, start_sector: Pos, course: u8,
     EndPosition { quadrant, sector, hit_edge }
 }
 
+pub fn move_klingons_and_fire(galaxy: &mut Galaxy) {
+    let quadrant = &mut galaxy.quadrants[galaxy.enterprise.quadrant.as_index()];
+    for k in 0..quadrant.klingons.len() {
+        let new_sector = quadrant.find_empty_sector();
+        quadrant.klingons[k].sector = new_sector;
+    }
+
+    // todo: check if enterprise is protected by a starbase
+
+    for k in 0..quadrant.klingons.len() {
+        quadrant.klingons[k].fire_on(&mut galaxy.enterprise);
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -170,4 +184,4 @@ mod tests {
         assert_eq!(end.sector, Pos(1,0), "right sector");
         assert!(!end.hit_edge)
     }
-}
\ No newline at end of file
+}
diff --git a/84_Super_Star_Trek/rust/src/main.rs b/84_Super_Star_Trek/rust/src/main.rs
index 9c2ea606..c91ca8bc 100644
--- a/84_Super_Star_Trek/rust/src/main.rs
+++ b/84_Super_Star_Trek/rust/src/main.rs
@@ -47,18 +47,7 @@ fn gather_dir_and_speed_then_move(galaxy: &mut Galaxy) {
         return;
     }
 
-    let quadrant = &mut galaxy.quadrants[galaxy.enterprise.quadrant.as_index()];
-    for k in 0..quadrant.klingons.len() {
-        let new_sector = quadrant.find_empty_sector();
-        quadrant.klingons[k].sector = new_sector;
-    }
-
-    // todo: check if enterprise is protected by a starbase
-
-    for k in 0..quadrant.klingons.len() {
-        quadrant.klingons[k].fire_on(&mut galaxy.enterprise);
-    }
-
+    commands::move_klingons_and_fire(galaxy);
     if galaxy.enterprise.condition == Condition::Destroyed {
         return;
     }
@@ -88,6 +77,16 @@ fn prompt_value<T: FromStr + PartialOrd>(prompt_text: &str, min: T, max: T) -> O
 }
 
 fn print_command_help() {
-    println!("valid commands are just SRS and NAV at the mo")
+    println!("Enter one of the following:
+  NAV  (To set course)
+  SRS  (For short range sensor scan)
+  LRS  (For long range sensor scan)
+  PHA  (To fire phasers)
+  TOR  (To fire photon torpedoes)
+  SHE  (To raise or lower shields)
+  DAM  (For damage control reports)
+  COM  (To call on library-computer)
+  XXX  (To resign your command)
+    ")
 }