Browse all topics A-Z: page 283.

Hydrography

Hydrophones

Hydroponics

Hydropower

Hydrostatic Fuzes

Hydroxychloroquine

Hyeopseon

Hygiene

Hyman Rickover

Hymir

Hypatia

Hyperdrive

Hypersonic Aircraft

Hypersonic Cruise Missiles

Hypersonic Glide Vehicles

Hypersonic Missile Defence

Hypersonic Missiles

Hypersonic Weapons

Hypervelocity Missiles

Hypervelocity Projectiles

Hypothermia

Hypothetical Warships

Hyuga

Hyuga Battleship

Hyuga Class Helicopter Destroyers

Hyundai Heavy Industries

Hyunmoo-3 Cruise Missile

South Korean land-attack cruise missile family.

Hyunmoo-4 Ballistic Missile

South Korean ballistic missile developed for conventional strike.

I 124

I 13 Submarine

I 14 Submarine

I 15 Class Submarines

I 175

I 200 Submarine

I 27

I 30

I 366

I 37

I 401 Submarine

I 402 Submarine

I 58

I Class Destroyers

I-400 Class Submarines

Japanese Second World War aircraft-carrying submarines built to launch long-range seaplane strikes.

I-66 Submarine

I3 Battlecruiser

Iain Ballantyne

Ian English

Ian Fleming