D5 Explained

D5 can refer to:

• D5 All Things Digital conference in Silicon Valley
• D5 HD, a professional digital video format
• Highway D5 in the Czech Republic
• Volvo D5 engine
• Dau Air (IATA code D5)
• D5 dopamine receptor subtype
• D5 class Klingon starship, in the Star Trek science fiction series
• D5 tank gun, a derivative of the 85 mm air defense gun M1939 (52-K)
• Detour for the M5 South Western Motorway, Sydney, Australia
• The Trident missile system, currently deployed as Trident-II D5