diff --git a/docs/re/ob-counts-marked-attackers.md b/docs/re/ob-counts-marked-attackers.md
index d3bfd31..a191fe8 100644
--- a/docs/re/ob-counts-marked-attackers.md
+++ b/docs/re/ob-counts-marked-attackers.md
@@ -78,11 +78,32 @@ Every `UN_e010_ADAN_Attacker_S` squadron in Stage 02:
 | `ADN208` | 6 | | `ADT107` | **4** |
 | `ADT113` | **4** | | | |
 
-**9 groups, 45 members** — so the sizes are *not* uniform across the stage. But
-**six of the nine hold exactly 4**, and phase 1's share is independently recorded
-as **4 groups / 16 craft** — which is `4 × 4` exactly. So the phase-1 squadrons
-are the `n = 4` ones, and the step-of-four is a real per-squadron size rather
-than an artifact of averaging. 🟡 upgraded on that specific point.
+**9 groups, 45 members** — so the sizes are *not* uniform across the stage.
+
+### ✅ And phase 1's four are measured, not inferred
+
+`Route_S<NN>.tbl` names routes **`Route_<squadron>_p<phase><kind>`**
+([stage-mission-tables.md](structures/stage-mission-tables.md)), so the
+squadron → phase link is readable straight off the disc. Stage 02 has **37**
+phase-1 squadrons, and intersecting them with the `e010` roster gives:
+
+| phase-1 `e010` squadron | n |
+|---|---|
+| `ADS151` | **4** |
+| `ADT102` | **4** |
+| `ADT107` | **4** |
+| `ADT113` | **4** |
+| **total** | **16** |
+
+**Exactly four groups, every one of size four, summing to sixteen.** The five
+remaining `e010` groups — `ADN204`, `ADN206`, `ADN208`, `ADN209`, `ADS251`, which
+include *both* `n = 6` groups and the `n = 9` group — are **not** in phase 1.
+
+So the stage-wide mean was misleading precisely because the odd-sized squadrons
+belong to later phases. Restricted to phase 1 the size is uniform, and the
+counter's step of four is a real per-squadron member count. ✅ on that point: the
+`16 / 4` mean is replaced by a measured per-group fact, and the coincidence the
+caveat feared (5/5/3/3) is ruled out.
 
 ## ❌ A premise of this note was WRONG — ADN110/111/112 are TURRETS