diff --git a/index.html b/index.html
index a3d44a19..a5c94c6a 100644
--- a/index.html
+++ b/index.html
@@ -3668,6 +3668,9 @@
       <p>Population rate (Units editor -> population) and map pixel size will
         be automatically updated according to the current scale factor. If you'd like
         to generate a new parent-map, <b>don't forget to reset them!</b> Options are interpreted as usual.</p>
+        <p>
+        Automatically copied: Heightmap, Biome, Precipitation, Cultures, States, Provinces, Regiments (military).
+        </p>
       <hr />
       <p>Remap (copy) the following features to the new map:</p>
       <div data-tip="Copy burgs from old map. Regenerate burgs if not checked." >
@@ -3678,10 +3681,6 @@
         <input id="submapCopyRivers" class="checkbox" type="checkbox">
         <label for="submapCopyRivers" class="checkbox-label">Rivers</label>
       </div>
-      <div data-tip="Copy military data from the original map. Regenerate military if not checked." >
-        <input id="submapCopyMilitary" class="checkbox" type="checkbox">
-        <label for="submapCopyMilitary" class="checkbox-label">Military</label>
-      </div>
       <div data-tip="Copy markers from the original map. Regenerate markers if not checked." >
         <input id="submapCopyMarkers" class="checkbox" type="checkbox" checked>
         <label for="submapCopyMarkers" class="checkbox-label">Markers</label>
diff --git a/modules/military-generator.js b/modules/military-generator.js
index c69dc1e3..648f5637 100644
--- a/modules/military-generator.js
+++ b/modules/military-generator.js
@@ -157,14 +157,6 @@ window.Military = (function () {
       }
     }
 
-    void (function removeExistingRegiments() {
-      armies.selectAll("g > g").each(function () {
-        const index = notes.findIndex(n => n.id === this.id);
-        if (index != -1) notes.splice(index, 1);
-      });
-      armies.selectAll("g").remove();
-    })();
-
     const expected = 3 * populationRate; // expected regiment size
     const mergeable = (n0, n1) => (!n0.s && !n1.s) || n0.u === n1.u; // check if regiments can be merged
 
@@ -172,9 +164,10 @@ window.Military = (function () {
     valid.forEach(s => {
       s.military = createRegiments(s.temp.platoons, s);
       delete s.temp; // do not store temp data
-      drawRegiments(s.military, s.i);
     });
 
+    redraw();
+
     function createRegiments(nodes, s) {
       if (!nodes.length) return [];
 
@@ -236,6 +229,16 @@ window.Military = (function () {
     TIME && console.timeEnd("generateMilitaryForces");
   };
 
+  function redraw() {
+    const validStates = pack.states.filter(s => s.i && !s.removed);
+    armies.selectAll("g > g").each(function () {
+      const index = notes.findIndex(n => n.id === this.id);
+      if (index != -1) notes.splice(index, 1);
+    });
+    armies.selectAll("g").remove();
+    validStates.forEach(s => drawRegiments(s.military, s.i));
+  }
+
   const getDefaultOptions = function () {
     return [
       {icon: "⚔️", name: "infantry", rural: 0.25, urban: 0.2, crew: 1, power: 1, type: "melee", separate: 0},
@@ -406,5 +409,5 @@ window.Military = (function () {
     notes.push({id: `regiment${s.i}-${r.i}`, name: `${r.icon} ${r.name}`, legend});
   };
 
-  return {generate, getDefaultOptions, getName, generateNote, drawRegiments, drawRegiment, moveRegiment, getTotal, getEmblem};
+  return {generate, redraw, getDefaultOptions, getName, generateNote, drawRegiments, drawRegiment, moveRegiment, getTotal, getEmblem};
 })();
diff --git a/modules/submap.js b/modules/submap.js
index b5b2cd87..309782f4 100644
--- a/modules/submap.js
+++ b/modules/submap.js
@@ -27,7 +27,7 @@ window.Submap = (function () {
     applyMapSize();
     placePoints();
     calculateVoronoi(grid, grid.points);
-    drawScaleBar();
+    drawScaleBar(scale);
 
     const resampler = (points, qtree, f) => {
       for(const [i,[x, y]] of points.entries()) {
@@ -172,7 +172,7 @@ window.Submap = (function () {
               "newheight", grid.cells.h[cells.g[id]])
             throw new Error("should be the same type.")
           }
-          const [oldpx, oldpy]= oldCells.p[oid];
+          const [oldpx, oldpy] = oldCells.p[oid];
           const nd = distance(projection(oldpx, oldpx, false));
           if (!nd) {
             console.error("no distance!", nd, "old point", oldp)
@@ -212,13 +212,14 @@ window.Submap = (function () {
 
     // transfer basemap cultures
     pack.cultures = parentMap.pack.cultures;
+
     // fix culture centers
     const validCultures = new Set(pack.cells.culture);
     pack.cultures.forEach((c, i) => {
       if (!i) return // ignore wildlands
       if (!validCultures.has(i)) {
         c.removed = true;
-        c.center = undefined;
+        c.center = null;
         return
       }
       const newCenters = forwardMap[c.center]
@@ -241,22 +242,11 @@ window.Submap = (function () {
       s.neighbors = s.neighbors.filter(n => validStates.has(n));
 
       // find center
-      let capital
-      if (options.copyBurgs) // capital is the best bet
-        capital = pack.burgs[s.capital].cell;
-
-      s.center = capital
-        ? capital
-        : pack.cells.state.findIndex(x => x===i);
+      s.center = (options.copyBurgs && pack.burgs[s.capital].cell)
+        ? pack.burgs[s.capital].cell // capital is the best bet
+        : pack.cells.state.findIndex(x => x===i); // otherwise use the first valid cell
     });
 
-    /* probably not needed now
-    // fix extra coastline cells without state.
-    const newCoastCells = cells.t.reduce(
-      (a,c,i) => c === -1 && !cells.state[i] ? a.push(i) && a: a, []
-    );
-    */
-
     // transfer provinces, mark provinces without land as removed.
     stage("Porting provinces.");
     const validProvinces = new Set(pack.cells.province);
@@ -279,7 +269,7 @@ window.Submap = (function () {
     BurgsAndStates.drawBurgs();
 
     stage("Regenerating road network.");
-    Routes.regenerate();
+    if (!options.copyRoads) Routes.regenerate();
 
     drawStates();
     drawBorders();
@@ -288,8 +278,20 @@ window.Submap = (function () {
     Rivers.specify();
     Lakes.generateName();
 
-    stage("Modelling military, markers and zones (if requested).");
-    if (options.addMilitary) Military.generate();
+    stage("Porting military.");
+    for (const s of pack.states) {
+      if (!s.military) continue;
+      for (const m of s.military) {
+        [m.x, m.y] = projection(m.x, m.y, false);
+        [m.bx, m.by] = projection(m.bx, m.by, false);
+        const cc = forwardMap[m.cell];
+        m.cell = (cc && cc.length)? cc[0]: null;
+      }
+      s.military = s.military.filter(m=>m.cell).map((m, i) => ({...m, i}));
+    }
+    Military.redraw();
+
+    stage("markers and zones (if requested).");
     if (options.addMarkers) Markers.generate();
     if (options.addZones) addZones();
     Names.getMapName();
@@ -336,7 +338,7 @@ window.Submap = (function () {
       // disable out-of-map (removed) burgs
       if (!inMap(b.x,b.y)) {
         b.removed = true;
-        b.cell = undefined;
+        b.cell = null;
         return;
       }
 
diff --git a/modules/ui/submap.js b/modules/ui/submap.js
index 5d044150..2ee0181b 100644
--- a/modules/ui/submap.js
+++ b/modules/ui/submap.js
@@ -22,10 +22,10 @@ const generateSubmap = debounce(async function () {
   const checked = id => Boolean(document.getElementById(id).checked)
   const options = {
     copyBurgs: checked("submapCopyBurgs"),
-    copyMilitary: checked("submapCopyMilitary"),
     copyMarkers: checked("submapCopyMarkers"),
     copyZones: checked("submapCopyZones"),
     copyZones: checked("submapCopyRivers"),
+    copyZones: checked("submapCopyRoads"),
 
     depressRivers: checked("submapDepressRivers"),
     addLakesInDepressions: checked("submapAddLakeInDepression"),