Start can refer to multiple topics: *

Takeoff Takeoff is the phase of flight in which an aerospace vehicle leaves the ground and becomes airborne. For aircraft traveling vertically, this is known as liftoff. For aircraft that take off horizontally, this usually involves starting with a ...

, the phase of flight where an aircraft transitions from moving along the ground to flying through the air *

Starting lineup In sports, a starting lineup is an official list of the set of players who will participate in the event when the game begins. The players in the starting lineup are commonly referred to as ''starters'', whereas the others are ''substitutes'' o ...

in sports *

Standing start A standing start is a type of start in auto racing events, in which cars are stationary when the race begins (different to the rolling start, where cars are paced). Procedure In a standing start, cars are completely still but with their engines ...

, and

rolling start A rolling start is one of two modes of initiating or restarting an auto race; the other mode is the standing start. In a rolling start, the cars are ordered on the track and are led on a certain number of laps (parade or caution laps) at a pre-de ...

, in an auto race

Acronyms

*Strategic Arms Reduction Treaties, a series of arms reduction treaties between the US and USSR **

START I START I (Strategic Arms Reduction Treaty) was a bilateral treaty between the United States and the Soviet Union on the reduction and the limitation of strategic offensive arms. The treaty was signed on 31 July 1991 and entered into force on 5 De ...

(1991) **

START II START II (Strategic Arms Reduction Treaty) was a bilateral treaty between the United States and Russia on the Reduction and Limitation of Strategic Offensive Arms. It was signed by US President George H. W. Bush and Russian President Boris Yel ...

(1993) **

START III START III (Strategic Arms Reduction Treaty) was a proposed bilateral arms control treaty between the United States and Russia that was meant to reduce the deployed nuclear weapons arsenals of both countries drastically and to continue the weapons ...

(1997), never signed into effect **

New START New START ( Russian abbrev.: СНВ-III, ''SNV-III'' from ''сокращение стратегических наступательных вооружений'' "reduction of strategic offensive arms") is a nuclear arms reduction treaty betwee ...

(2010), initiated to continue the effects of previous START treaties **"