Helicopters; hazing ritual; building runways in the Pacific; the G-2; battle tank

Rifles; jet-assisted take-off; freefall parachute team; barrage balloons; military jargon.

Rocket-propelled artillery; artillery gun that fires the largest caliber shell; tents; tomahawks; slings.

Military rifles in Vietnam; booby traps; the Ravens; the Wild Weasels; river-patrol boats; the Green Berets.

Rifle; blowgun; floating concrete caissons bridge the English Channel; weapons of the French resistance; improvements in front-line medical care; origins of the word "berserk."

Snipers; hand signals; Vietnam's Ho Chi Minh Trail; motorcycles; tanks; the C-119 Flying Boxcar.

Armored scout cars; water-cooled machine guns; sleeping bag; sleeping on the battlefield; German U-boats; Navy ship invisible to radar.

Anti-personnel mine; 16th-century Scottish sword; early nuclear-powered submarine; how naval vessels resupply at sea; the Patriot missile; cadence songs.

World War II M2A2 half-track; Snow Train; strange weapons used by the Allies in World War II; Navy hydrofoils; Air Force combat controllers; Marine Corps gunnery sergeants.

Training of military pilots; flak; the Doolittle Raid; Sleeping Beauty submarine; radios; foxhole radio.

F-15 Eagle; single-man vertical flight machine; howitzer firing both conventional and nuclear warheads; Army-controlled missile programs; submachine guns; measuring bullets.

Avenger Air Defense System; Stinger and Red Eye missiles; military firefighters; the Triple Nickels; Kiowa scout helicopter; "Kilroy Was Here."

Attack helicopter; AIM Sidewinders; transport plane; military police; flintlock pistols.