diff --git a/maintenance.md b/maintenance.md
index a2594bc..93f3284 100644
--- a/maintenance.md
+++ b/maintenance.md
@@ -54,3 +54,11 @@ Newest entries at the bottom.
 - 2026-10-09: Galley fridge defrosted.
 - 2026-10-10: Airlock seals checked.
 - 2026-10-10: Galley fridge defrosted.
+- 2026-10-11: Thrusters test-fired.
+- 2026-10-11: Cabin pressure sensors tested.
+- 2026-10-11: Antenna realigned.
+- 2026-10-12: Thrusters test-fired.
+- 2026-10-13: Fuel lines checked for leaks.
+- 2026-10-14: Fuel lines checked for leaks.
+- 2026-10-14: Hull inspection, no leaks.
+- 2026-10-15: Escape pod batteries charged.
diff --git a/nav.py b/nav.py
index 80d0770..6adcb9b 100644
--- a/nav.py
+++ b/nav.py
@@ -3,6 +3,7 @@
 
 Usage: python3 nav.py DESTINATION
        python3 nav.py --list
+       python3 nav.py --all
 """
 
 import sys
@@ -16,7 +17,7 @@ DISTANCES = {
     ("gateway", "venus"): 41.0,
     ("mars", "phobos"): 0.01,
     ("mars", "deimos"): 0.02,
-    ("venus", "mercury"): 50.0,
+    ("venus", "mercury"): 48.0,
     ("mars", "ceres"): 265.0,
     ("gateway", "milliways"): 42.0,
     ("ceres", "vesta"): 96.0,
@@ -123,6 +124,11 @@ def main() -> None:
         for key in sorted(ROUTES):
             print(f"{key:12} {NAMES[key]}")
         return
+    if sys.argv[1] == "--all":
+        for key in sorted(ROUTES):
+            print_plan(key)
+            print()
+        return
     destination = sys.argv[1].lower()
     if destination not in ROUTES:
         known = ", ".join(sorted(ROUTES))