Similar to ベトナム共和国海軍

RPL (programming language)

RPS-420

Northrop Grumman RQ-4 Global Hawk

RS-27A

RS-88

RT-20 (rifle)

Ryzen

SABRE (rocket engine)

Sikorsky–Boeing SB-1 Defiant

Scholarly Publishing and Academic Resources Coalition

Sd.Kfz. 247

Secure Shell

Server Name Indication

SES (company)

Shazam (music app)

Shed Skin

Shopkick

Single instruction, multiple data

SIM swap scam

Single instruction, single data

Through-silicon via

SMPlayer

Sony Xperia S

SpaceOps

SPHEREx

Steemit