Government / agency
| Date | Mission | Vehicle | Site | Result |
|---|---|---|---|---|
| 29 Apr 2021 | Unknown launches | R-UNK | Unknown Site | Unknown |
| 1 Jan 2014 | Entry for unknown debris | R-UNK | Unknown Site | Unknown |
| 20 Nov 1998 | Unknown launches | R-UNK | Unknown Site | Unknown |
| 19 Feb 1986 | Unknown launches | R-UNK | Unknown Site | Unknown |
| 19 Apr 1982 | Unknown launches | R-UNK | Unknown Site | Unknown |
| 29 Sep 1977 | Unknown launches | R-UNK | Unknown Site | Unknown |
| 5 May 1971 | See SSN 5310 | R-UNK | Cape Canaveral Air Station, Florida | Unknown |