Firefly Aerospace ($FLY) is significantly undervalued compared to Rocket Lab ($RKLB), trading at 1/10th its valuation. A successful launch of its medium-size reusable rocket, expected soon with 10 days' notice, could lead to a substantial re-rating and higher valuation. The image indicates Firefly Aerospace joined the Russell 2000 and 3000 indexes on December 22, 2025, suggesting potential for increased institutional interest.