USA 324 and USA 325 are GSSAP satellites used for GEO inspection operations.
USA 324 executed two drift-stop burns on 14 March and parked at 73.0°E.
USA 324 had closed to about 63 km from Shijian-29A by 19 March.
COMSPOC’s visualization shows USA 325 at a range of about 2,054.259 km from Shijian-29B and USA 324 at a range of about 1,916.735 km from Shijian-29A.