When the wake-up call was issued to the Apollo 16 crew for their final day in space by capsule communicator Tony England, the spacecraft was about out from Earth, traveling just over.

When an action potential, traveling along an axon, arrives at a synapse, it causes a chemical called a neurotransmitter to be released.

When the boat is traveling approximately perpendicular to the wind, this is called reaching.

When the third stage motor fires, within two minutes of launch, the missile is traveling faster than 20, 000 ft / s ( 6, 000 m / s ), or 13, 600 mph ( 21, 600 km / h ).

When traveling through the turns at racing speed, which may exceed 85 km / h ( about 52 mph ), the banking attempts to match the natural lean of a bicycle moving through that curve.

When a street is wide enough to accommodate several vehicles traveling side-by-side, it is usual for traffic to organize itself into lanes, that is, parallel corridors of traffic.

When Melisende's father was captured during a campaign in 1123, Morphia hired a band of Armenian mercenaries to discover where her husband was being held prisoner, and in 1124 Morphia took a leading part in the negotiations with Baldwin's captors to have him released, including traveling to Syria and handing over her youngest daughter Yveta as hostage and as surety for the payment of the king's ransom.

When Atta returned to Florida, Shehhi left for Morocco, traveling to Casablanca in mid-January 2001.

When he is not traveling on the international lecture circuit, Soleri divides his time between Cosanti, the original site for his research located in Scottsdale, and Arcosanti.

When traveling across a number of time zones, the body clock will be out of synchronization with the destination time, as it experiences daylight and darkness contrary to the rhythms to which it has grown accustomed: the body's natural pattern is upset, as the rhythms that dictate times for eating, sleeping, hormone regulation and body temperature variations no longer correspond to the environment nor to each other in some cases.

When traveling to remote places, like Assab, Nakfa, Tesseney or Senafe, reservations should be made for the return trip in advance, to prevent being stranded.

When B is not yet tidally locked, the bulges travel over its surface, with one of the two " high " tidal bulges traveling close to the point where body A is overhead.

When traveling at the legal speed limit, it takes around 26 minutes to complete a full circuit.

When traveling downhill some vehicles can use their engines to brake.

When the Spurs won the NBA title, the teams ' victory parade has always included the team traveling on the San Antonio River on boats adjacent to the San Antonio River Walk.

When Lehman came on board, the traveling salesman – which had previously been suited to James Stewart – was adapted to a Madison Avenue advertising executive, a position which Lehman had formerly held.

Spaceball One is capable of traveling at four different speeds: When a situation requires it to travel faster than its normal " sub-light " speed, it can accelerate to light speed, " ridiculous speed ," and " Ludicrous Speed.

When traveling vast distances over challenging terrain, the people left nothing behind.

When Kirk and Spock are traveling on a public bus, they encounter a punk rocker blaring his music on a boom box, to the discomfort of everyone around him.

When a post office was located there in 1850, it is reported by the Okolona Area Chamber of Commerce that the postmaster of nearby Aberdeen Colonel Josiah N. Walton remembered an encounter with a Chickasaw brave while traveling in the area years earlier.

When one of the town's founding fathers Joshua Bruggeman was traveling through New York state to get the town plat lithographed, he came across the town of Salina situated on the edge of Onondaga Lake near Syracuse.

When traveling west on Interstate 80, East Stroudsburg is the second town from the NJ-PA border on exit 308.

When steamboats began traveling up the Okanogan River, Riverside was the upstream limit of navigation during the high water season.

When the traveling circus leaves, the Tramp remains behind.

When Calvin Coolidge announced in 1928 that he would not seek a full term of office in the 1928 Presidential Election, Hoover became the leading Republican candidate, despite the fact Coolidge was lukewarm on Hoover, often deriding his ambitious and popular Commerce Secretary as " Wonder Boy ".

When Dole declined an invitation to speak to the National Association for the Advancement of Colored People, he suggested Kemp as a substitute even before Kemp had become the Vice Presidential nominee.

When Guillermo Endara won the Presidential elections held in May 1989, the Noriega regime annulled the election, citing massive US interference.

When Grant took Presidential office in 1869, Reconstruction of the former Confederate States had not been completed.

When the committee was satisfied that the study had incorporated meaningful options and supporting arguments, the study's conclusions went to the President in a 2-or 3-page memorandum, which in turn formed the basis for a Presidential Directive.

When President Calvin Coolidge was later looking for a new territorial governor, Work and Hoover, who by then were both members of the Presidential Cabinet, recommended Parks.

* When displayed at the Presidential Palace, the Hellenic Parliament, the ministries, embassies and consulates of Greece, schools, military camps, and public and private ships as well as the navy, the flag must:

When the 2009 Presidential election was announced, the popular former president, Mohammad Khatami, would not discuss his plans to run against Mahmoud Ahmadinejad as the Council may disqualify the Muslim cleric as it has other reformist candidates on the grounds that they were not dedicated enough to Islamic values.

When Roosevelt was nominated on James Cox's ticket as the Vice Presidential nominee in 1920, he asked Early to serve as an advance representative.

When Kennedy won the Presidential race in 1960, he appointed her as his personal physician.

When Blomberg arrived at the railroad station in Berlin, he was met by Major von Kuntzen ordering him to report at once to the Defence Ministry on behalf of General von Hammerstein, and by Major Oskar von Hindenburg ordering him to report at once to the Presidential palace.

When the Presidential limousine turned from Main Street onto Houston Street, Brehm and his son watched from the northwest side of the intersection.

When V. V. Giri resigned to contest for Presidential elections, the Chief Justice of India Mohammad Hidayatullah briefly acted as the President.

When advocating capital punishment, President Ronald Reagan called King his " favorite Democratic governor " and King endorsed Reagan in the 1984 Presidential election.

When activated by Presidential Reserve Callup Authority, soldiers are required to follow the activation instructions contained in Army Regulation 135-91 specifying that members of the IRR can be required to join an Army Reserve unit if they are statutorily obligated and have a skill needed by the Army.

When DDB, then considered a firm handling predominantly Democratic candidates during political campaigns, produced the 1964 television commercial Daisy in support of Lyndon Johnson's Presidential campaign, Dane was added to Nixon's Enemies List with the remark:

When Hornblower was a Presidential elector for James Monroe in 1820, there was only one vote for any other candidate.

When Congress passed the Presidential Libraries Act in 1955, it regularized the procedures initiated by President Roosevelt for privately built and federally maintained libraries to preserve the papers of future Presidents.

When he was awarded the Presidential Medal of Freedom by President Ronald Reagan in 1986, the citation read:

When he was running for re-election in 1964 Keating refused to endorse his party's Presidential nominee, the conservative Senator Barry Goldwater, who was highly unpopular in New York.

When Jimmy Carter entered the Democratic Party Presidential primaries in 1976, he at first was considered to have little chance against nationally better-known politicians.

When either President Bush was present at the compound while in office, the Presidential flag was hoisted below the national colors ; the flagpole was a popular backdrop for television journalists during the elder Bush's presidency.

* Wake Us When It's Over: Presidential Politics of 1984, Macmillan ( 1985 )

When the battalion colors returned to Fort Campbell the unit had distinguished itself by earning two Valorous Unit Awards, and its third and fourth Presidential Unit Citations for the battles of Trang Bang and Dong Ap Bia Mountain ( commonly known as “ Hamburger Hill ”).