Ranks I have been through:
Silver I: ✓
Silver II: ✓
Silver III: ✓
Silver IIII: ✓
Silver Elite: ✓
Silver Elite Master: ✓ (Current Rank)
Gold Nova I: ✓
Gold Nova II: ✓
Gold Nova III: ✓
Gold Nova Master: ✓
Master Guardian I: ❌
Master Guardian II: ❌
Master Guardian Elite: ❌
Distinguished Master Guardian: ❌
Legendary Eagle: ❌
Legendary Eagle Master: ❌
Supreme Master First Class: ❌
The Global Elite: ❌