Enjoying the AAR.
Can you outline how unit loss/ casualties are reflected? In older games this usually meant "step losses". In newer games such as WITW it's actually figures and accompanying features such as morale and readiness or exhaustion.
Also is there an air vs air and navy vs navy element or are they simply reflected as parts of the ground combat?
There's no steps, and actual figures: so no 21st Panzer of 134 tanks, 3435 squads, and 34334 toothbrushes .
So it uses percentages for Strength and Readiness.
The unit Attack / Defense are abstracted numbers so in the counters above you see units with e.g. 4-12-8 means attack of 4, defense of 12 and movement of 8, so an old school wargame in that regard.
Strenght losses are permanent and if a unit has 50% of its max value, it's attack is halved.
Readiness is non-linear, so 0% readiness (and 100% strenght), Attacks will have 66% of its max value.
However, in battle, losses are taken firstly from readiness (which recovers) and then from Strength, so if a unit has high
readiness, it might take no losses to Strength. If it has low Readiness, then it'll take a lot of damage to Strength. So therefore Readiness is meant to simulate men and vehicles temporarily out of action, due to being in the shop or just exhausted. I.e. push your units too hard and they'll be permanently damaged.
There is no navy vs navy combat.
For Air units, fighters are abstracted away (into an overall air supermacy value). Air units and Special Forces can however conduct Counter-Air operations which involves attacking enemy airfields. This results in increased friendly AA values for ground units. Counter-Air also can reduce enemy interdiction (interdiction reduces HQ's Lines of Communication and incoming supply).