U
- AN/UCC-4
- AN/UPN-1: radar beacon BUPS (Beacon Ultra Portable S-Band)
- AN/UPN-2: radar beacon BUPS
- AN/UPN-3: radar beacon BUPSX was AN/PPN-6
- AN/UPN-4: radar Beacon BUPSX was AN/PPN-7
- AN/UQQ-2
- AN/URC-4
- AN/URC-10
- AN/URC-11
- AN/URC-14
- AN/URC-64
- AN/URC-68
- AN/URM-25D Signal Generator
- AN/USQ-17: sea-based computer
- AN/USQ-20: sea-based computer
- AN/USQ-144: Automated Digital Network System (ADNS)
- AN/UYK-1: submarine-based computer for TRANSIT (NAVSAT) location system
- AN/UYK-3: sea-based computer
- AN/UYK-7: sea-based computer
- AN/UYK-8: sea-based computer
- AN/UYK-20: sea-based computer
- AN/UYK-43: sea-based computer
- AN/UYK-44: sea-based computer
- AN/UYS-1: acoustic sonobouy processor
- AN/UYS-2: acoustic sonobouy processor; possibly improved
Read more about this topic: List Of Military Electronics Of The United States