Sweat: The more SEALs sweat in peacetime, the less they bleed in war.
Sykes-Fairbairn: A commando fighting knife.
Syrette: Small syringe for field administration often filled with morphine. Can be self-administered.
Tango: SEAL talk for a terrorist.
TDY: Temporary duty assigned outside of normal job designation.
Terr: Another term for terrorist. Shorthand SEAL talk.
Tetrahedral reflectors: Show up on multi-mode radar like tiny suns.
Thermal Imager: Device to detect warmth, as a human body, at night or through light cover.
Thermal Tape: ID for night-vision-goggle user to see. Used on friendlies.
TNAZ: Trinittroaze Tidine. Explosive to replace C-4. 15 % stronger than C-4 and 20 % lighter.
TO&E: Table showing organization and equipment of a military unit.
Top SEAL Tribute: “You sweet motherfucker, don’t you never die!”
Trailing Array: A group of antennas for sonar pickup trailed out of a submarine.
Train: For contact in smoke, no light, fog, etc. Men directly behind each other. Right hand on weapon, left hand on shoulder of man ahead. Squeeze shoulder to signal.
Trident: SEALs’ emblem. An eagle with talons clutching a Revolutionary War pistol, and Neptune’s trident superimposed on the Navy’s traditional anchor.
TRW: A camera’s digital record that is sent by SATCOM.
TT33: Tokarev, a Russian pistol.
UAZ: A Soviet 1-ton truck.
UBA Mark XV: Underwater life support with computer to regulate the rebreather’s gas mixture.
UGS: Unmanned Ground Sensors. Can be used to explode booby traps and claymore mines.
UNODIR: Unless otherwise directed. The unit will start the operation unless they are told not to.
VBSS: Orders to “visit, board, search, and seize.”
Wadi: A gully or ravine, usually in a desert.
White Shirt: Man responsible for safety on carrier deck as he leads around civilians and personnel unfamiliar with the flight deck.
WIA: Wounded In Action.
Zodiac: Also called an IBS, Inflatable Boat Small. 15x6 feet, weighs 265 pounds. The “rubber duck” can carry 8 fully equipped SEALs. Can do 18 knots with a range of 65 nautical miles.
Zulu: Means Greenwich Mean Time, GMT. Used in all formal military communications.