diff --git a/components/mission-control.tsx b/components/mission-control.tsx
index 03e874e..159d54f 100644
--- a/components/mission-control.tsx
+++ b/components/mission-control.tsx
@@ -529,6 +529,14 @@ export function MissionControl() {
                 )}
               </PanelContent>
             </Panel>
+
+            {/* #52 — the manual tick control (5b), moved in from the fixed bottom-right overlay:
+                last child of the pane's flex column — full width, size MD, pinned to the pane
+                bottom when the content is short (the wrapper's marginTop:auto) and scrolling
+                with the pane when the cargo list is long. In normal flow, the active-tasks strip
+                can no longer paint over it; the pane (unlike the tab content) is outside Radix's
+                unmount, so it stays visible on every tab. */}
+            <NextTurnButton turn={ship?.turn ?? null} onTicked={refreshAll} />
           </div>
         </div>
       </div>
@@ -567,13 +575,9 @@ export function MissionControl() {
         <Badge variant="ACTIVE">SYS ONLINE</Badge>
       </footer>
 
-      {/* #44 — the manual tick control (5b): fixed bottom-right, outside the tab grid so it
-          stays visible on every tab (Radix unmounts inactive tabs — the button only refreshes
-          the snapshots this shell owns) */}
-      <NextTurnButton turn={ship?.turn ?? null} onTicked={refreshAll} />
-
-      {/* #44 — the active-tasks strip: fixed bottom-left (same mount convention as the button —
-          outside the tab grid so it stays visible on every tab). Data: the shell's system
+      {/* #44 — the active-tasks strip: fixed bottom-left, outside the tab grid so it stays
+          visible on every tab. (#52 moved the NEXT TURN button out of this fixed-overlay area
+          and into the right pane, so the two can no longer overlap.) Data: the shell's system
           snapshot (JC-15) — refreshAll re-runs /api/system on every turn, so it updates on
           every shell refresh with no fetch of its own. */}
       <TaskStrip tasks={system?.tasks ?? []} />
diff --git a/components/next-turn-button.tsx b/components/next-turn-button.tsx
index 9d5d10e..60b2e3b 100644
--- a/components/next-turn-button.tsx
+++ b/components/next-turn-button.tsx
@@ -3,12 +3,16 @@
 import { useState } from 'react'
 import { Button } from '@/components/ui/button'
 
-// NEXT TURN — the manual tick control (5b): a fixed bottom-right button + the current turn from
-// the ship snapshot the shell holds. One click = POST /api/turn (no body); on success the shell
-// re-fetches its snapshots. Review Focus 4: the button is NEVER disabled by game state — an
-// empty queue is a FREE SKIP (the route always returns 200) — and the only transient is an
-// in-flight request, which the handler ignores. `disabled` is never set, so the cva
-// disabled:opacity-40 styling never applies either.
+// NEXT TURN — the manual tick control (5b): a normal-flow block in the right pane (#52) carrying
+// the current turn from the ship snapshot the shell holds. One click = POST /api/turn (no body);
+// on success the shell re-fetches its snapshots. Review Focus 4: the button is NEVER disabled by
+// game state — an empty queue is a FREE SKIP (the route always returns 200) — and the only
+// transient is an in-flight request, which the handler ignores. `disabled` is never set, so the
+// cva disabled:opacity-40 styling never applies either.
+// #52 — the fixed bottom-right overlay became the right pane's last flex child (mission-control):
+// full width, size MD, pinned to the pane bottom when the content is short (marginTop:auto) and
+// scrolling with the pane when the cargo list is long. No position/zIndex any more — so the
+// active-tasks strip can no longer paint over it.
 
 export function NextTurnButton({ turn, onTicked }: { turn: number | null; onTicked: () => void }) {
   const [inFlight, setInFlight] = useState(false)
@@ -30,14 +34,11 @@ export function NextTurnButton({ turn, onTicked }: { turn: number | null; onTick
   return (
     <div
       style={{
-        position: 'fixed',
-        right: '1rem',
-        bottom: '1rem',
-        zIndex: 60, // above the header/footer's 50
         display: 'flex',
         flexDirection: 'column',
-        alignItems: 'flex-end',
-        gap: '0.375rem',
+        gap: '0.5rem',
+        width: '100%',
+        marginTop: 'auto',
       }}
     >
       {error && (
@@ -46,7 +47,7 @@ export function NextTurnButton({ turn, onTicked }: { turn: number | null; onTick
       <span style={{ fontSize: '0.62rem', color: 'var(--text-muted)', letterSpacing: '0.12em' }}>
         TURN {turn ?? '—'}
       </span>
-      <Button variant="EXEC" size="SM" onClick={tick}>
+      <Button variant="EXEC" size="MD" className="w-full" onClick={tick}>
         NEXT TURN
       </Button>
     </div>