GenerateCrewMembers.cs

internal static GameState GenerateCrewMembers(this GameState state, int count)
{
    int nextId = state.NextCrewId;

    var faker = new Faker<CrewMember>()
        .RuleFor(c => c.Id, f => nextId++)
        .RuleFor(c => c.FirstName, f => f.Person.FirstName)
        .RuleFor(c => c.LastName, f => f.Person.LastName)
        .RuleFor(c => c.Department, f => f.PickRandom<Department>())
        .RuleFor(c => c.Rank, f => f.PickRandom<Rank>())
        .RuleFor(c => c.DaysInRank, f => f.Random.Int(0, 500));

    state.Add(faker.Generate(count));

    return state;
}