NextNav (NN) S-4 Registration of securities issued in business combination transactions

Exhibit 21.1

Spartacus Acquisition Shelf Corp.

LIST OF SUBSIDIARIES

Name of Subsidiary	State or Other Jurisdiction of Incorporation or Organization	Percent Ownership
SASC (SPAC) Merger Sub 1 Corporation	Delaware		100	%
SASC (Target) Merger Sub 2 LLC	Delaware		100	%
SASC (NB) Merger Sub 3 LLC	Delaware		100	%
SASC (OB) Merger Sub 4 LLC	Delaware		100	%
SASC (CB) Merger Sub 5 Corporation	Delaware		100	%
SASC (GB1) Merger Sub 6 LLC	Delaware		100	%
SASC (GB2) Merger Sub 7 Corporation	Delaware		100	%