1. SPACE LAUNCH OPERATION NROL-172 WILL BE CONDUCTED FROM VANDERBURG SFB WITH OFFSHORE SURFACE AREAS CONSIDERED HAZARDOUS TO VESSELS ON THE FOLLOWING DATES AND TIMES: 122215Z MAY TO 130257Z MAY 2026---- (PRIMARY) 132201Z MAY TO 140243Z MAY 2026---- (BACKUP DAY) 142147Z MAY TO 150229Z MAY 2026---- (BACKUP DAY) 152133Z MAY TO 160215Z MAY 2026---- (BACKUP DAY) 162119Z MAY TO 170201Z MAY 2026---- (BACKUP DAY) 172105Z MAY TO 180147Z MAY 2026---- (BACKUP DAY) 182051Z MAY TO 190133Z MAY 2026---- (BACKUP DAY) 2. HAZARDOUS AREAS TO MARINERS ARE WITHIN NAVAREA XII BOUND BY THE FOLLOWING COORDINATES: A. HAZARD AREA 32- 50' 0" N 119- 8' 0" W 32- 39' 0" N 119- 11' 0" W 34- 35' 0" N 120- 39' 0" W 34- 40' 0" N 120- 38' 0" W 34- 27' 0" N 120- 15' 0" W TO BEGINNING
32.83333333 -119.13333333 32.65 -119.18333333 34.58333333 -120.65 34.66666667 -120.63333333 34.45 -120.25 TO BEGINNING B. HAZARD AREA 29- 4' 0" N 117- 27' 0" W 29- 24' 0" N 117- 48' 0" W 30- 25' 0" N 117- 56' 0" W 29- 44' 0" N 117- 3' 0" W 29- 15' 0" N 116- 59' 0" W TO BEGINNING
29.06666667 -117.45 29.4 -117.8 30.41666667 -117.93333333 29.73333333 -117.05 29.25 -116.98333333 TO BEGINNING 3. SURFACE VESSELS ARE STRONGLY ADVISED TO AVOID THIS AREA DEFINED DURING SPECIFIED DATES / TIMES. 4. DURING OPERATIONS, FRONTIER CONTROL WILL BE MANAGING HAZARDOUS AREA SURFACE TRAFFIC ON VHF MARINE BAND CHANNEL 16 AND CHANNEL 6. 5. CANCEL AT//190233Z MAY 26//
