diff --git a/apis/sources/ships.mjs b/apis/sources/ships.mjs
index 9fe36fa..bc2029c 100644
--- a/apis/sources/ships.mjs
+++ b/apis/sources/ships.mjs
@@ -15,6 +15,8 @@ const CHOKEPOINTS = {
   straitOfHormuz: { label: 'Strait of Hormuz', lat: 26.5, lon: 56.5, note: '20% of world oil' },
   suezCanal: { label: 'Suez Canal', lat: 30.5, lon: 32.3, note: '12% of world trade' },
   straitOfGibraltar: { label: 'Strait of Gibraltar', lat: 36.0, lon: -5.7, note: 'Gateway to Mediterranean, ~10-20% global trade influence' },
+  beringStrait: { label: 'Bering Strait', lat: 66.0, lon: -169.0, note: "Western entrance to the Northwest Passage; emerging Arctic chokepoint for future trans-Pacific/Arctic trade & security" },
+  lancasterSound: { label: 'Lancaster Sound', lat: 74.2, lon: -84.0, note: "Eastern entrance to the Northwest Passage; key gateway for potential future trans-Atlantic/Arctic shipping" },
   straitOfMalacca: { label: 'Strait of Malacca', lat: 2.5, lon: 101.5, note: '25% of world trade' },
   babElMandeb: { label: 'Bab el-Mandeb', lat: 12.6, lon: 43.3, note: 'Red Sea gateway' },
   taiwanStrait: { label: 'Taiwan Strait', lat: 24.0, lon: 119.0, note: '88% of largest container ships' },