April 11: STACKSAT-TRIO LAUNCHED FROM VANDENBERG
An Atlas-E, successfully launched from Vandenberg Air Force Base, California, orbited three small scientific satellites today. The launch from Complex 3 at 2:00 a.m. PDT deployed the payload into a 460-mile-high orbit at 5:15 a.m. PDT. In order to carry the three satellites and to achieve proper orbit, the Atlas was fitted with the fourth stage of a Scout booster.
The payload, called the P87-2 mission, was coined Stacksat. The satellites weigh between 120 and 150 pounds each, and are designed to aid the accuracy of navigational charts and to test methods of overcoming communications interference caused by the Earth’s atmosphere.
The first satellite includes the Polar Orbiting Geomagnetic Survey (POGOS) and the Solid State Recorder (SSR). POGOS will study the extent of the Earth’s magnetic field, and data will be used for geomagnetic charts to aid global navigation. The SSR contains high speed integrated circuits to validate their use in space. The second satellite, the Transceiver Experiment (TEX), will reflect radio waves off the ionosphere to study irregularities which disrupt radio communications. The third satellite, the Selective Communications Experiment (SCE), will also bounce radio waves off the ionosphere, but in various directions.
A secondary experiment was located between the three satellites and the kick motor. The Prototype Deployment Device (PDD) will test a latch mechanism by deploying two objects in space. The total mission has a price tag of $22 million, and each satellite has about a one-year lifespan. (Countdown, May 1990 – edited)
April 13: WORK STARTS ON ASRM BOOSTER PLANT IN MISSISSIPPI
This week's start of construction of a $1.2 billion plant in Mississippi to build advanced solid-fuel boosters for the Space Shuttle doesn't mean Thiokol is out of the rocket business. But it does mean the loss of significant booster business in Utah. Thiokol, however, has other contracts and prospects for contracts.
At a groundbreaking ceremony in Iuka, Mississippi, Tuesday, Lowell Zoller, manager of the Advanced Solid Rocket Motor project office for NASA, said the region is on the threshold of new opportunities. The new plant is expected to create 1,500 permanent jobs and deliver an annual payroll of $45 million to the northern Mississippi-Tennessee-Alabama area.
Back at its Brigham City plant, Thiokol will continue making the current boosters until the advanced boosters are qualified for flight. "That's not expected to happen before 1996 or 1997," said a Thiokol spokesman in Ogden. By early May, NASA is expected to sign a contract with Lockheed and Aerojet Corp. to build the new motors. Even after the advanced motor is adopted, Thiokol will continue building the nozzle, under a subcontract with Lockheed.
Meanwhile, Thiokol has the military contract to build the MX Missile, officially called the Peacekeeper. It also has other tactical missile contracts, and is expected to be awarded the contract to build the Midgetman if Congress funds that system. The Thiokol spokesman said other large space vehicles are either being designed or have been proposed that could use the solid rocket motor that Thiokol presently builds for the shuttle. Also, the company could build new motors for proposed vehicles, he said. "We'd certainly like to," he said. "Certainly able to."
Thiokol has survived the controversy over the Challenger space shuttle disaster in January 1986, in which an O-ring on one of its solid rocket motors failed. The resulting explosion killed the space ship's seven astronauts. Thiokol did not bid on the Advanced Solid Rocket Motor project. The spokesman said this was because "at the time that the bid had to be prepared we were heavily engaged in the engineering work for the redesign of the existing motor . . . We simply did not have the resources to bid."
In October 1989, Senator Jake Garn, R-Utah, predicted that Thiokol probably would still be making Space Shuttle boosters long after the turn of the century because the new plant wouldn't meet its timetables. Garn, a former shuttle astronaut, believes the Mississippi plant was ill-conceived. By the year 2000, he said on the floor of the Senate, "the new ones (ASRM) won't be ready." (Joseph Bauman, Deseret News, Apr. 13, 1990 – edited)
April 13: DELTA II LAUNCH SCHEDULED TONIGHT
McDonnell Douglas's Delta II is ready for launch tonight from LC-17B at Cape Canaveral Air Force Station between 6:28 and 9:38 p.m. EDT. The lift-off was previously scheduled for April 9, but was postponed so NASA could try to launch Discovery STS-31 on the 10th. The Delta will launch the Palapa B2-R, which was originally launched by Challenger in 1984. Subsequently it malfunctioned and was rescued by Discovery in the same year. (Countdown, May 1990; Chronology of KSC and KSC Related Events for 1990, KHR-15, March 1991 – edited)
DELTA II ROCKET LAUNCHES USED SATELLITE BACK INTO ORBIT
A $60 million Indonesian satellite lost in space and rescued by shuttle astronauts six years ago was fired back into orbit today by a Delta II rocket in the final chapter of an unprecedented space success story. The successful Friday the 13th launch of the Palapa B-2R satellite brought the used spacecraft full circle and further cemented close ties between Indonesia and the United States, which has now launched six radio relay stations for the Pacific island nation since 1976.
"All right!" said launch commentator Ray Adams after confirmation the satellite was in the proper orbit. "It was a great success." The $50 million Delta 2 thundered to life at 6:28 p.m. EDT and quickly vaulted away from the Cape Canaveral Air Force Station, six days after a Chinese Long March rocket successfully boosted an identical satellite into orbit that was stranded in space along with Palapa B-2R during shuttle mission STS 41-B in 1984. "The success is really very significant to our country," said Makarim Wibisomo, a spokesman for the Indonesian government. "We are right now in a very risky situation because we were supposed to launch this satellite several years ago. We consist of 13,677 islands. We have terrestrial communications but it is not sufficient," he said.
The slender blue-and-white Delta, equipped with nine strap-on solid-fuel boosters for extra power, majestically climbed away through a partly cloudy sky, arcing east over the Atlantic Ocean and putting on a spectacular sky show for local residents and tourists along area beaches. It was the ninth success in a row for the Delta 2 since the rocket's maiden launch one year ago.
"Now completely refurbished, Palapa is returning to space," said David Braverman, a vice president with Hughes Aircraft Co., builder of both satellites. "Today we are to witness the completion of this spectacular story."
Palapa B-2R was ejected into its preliminary egg-shaped orbit with a high point of 23,474 miles and a low point of 115 miles about 26 minutes after blastoff. An onboard rocket will fire Sunday to put the satellite into a circular orbit 22,300 miles above the Pacific Ocean equator in the sky over Indonesia. Once checked out and in operation, Palapa B-2R - the "R" stands for re-flight - will replace an aging satellite launched from Challenger during STS-7 in 1983 and join one launched by a Delta in 1987 to help link Indonesia's islands with quality telephone, television and data communications service.
Palapa B-2R, a cylindrical 1,437-pound satellite measuring 22 feet long and 7 feet wide, is equipped with 24 radio transponders, each one capable of carrying 1,000 one-way voice circuits or a color television transmission. The operational two-satellite constellation is used to support domestic Indonesian communications as well as those of other nations in the area. The rebuilt Palapa B-2R satellite was valued at roughly $60 million. Throwing in the cost of the rocket and a $27.5 million insurance premium, the flight today represented a $137.5 million project.
Palapa – the name means "national unity" – and an identical satellite called Westar VI, originally owned by Western Union, were stranded in useless, lopsided orbits in February 1984 when their solid-fuel boosters, built by McDonnell Douglas, misfired after launch from the shuttle Challenger. The aerospace insurance industry was forced to pay out $105 million to Western Union, the owner of the Westar VI satellite, and some $75 million to Perumtel, the state-owned Indonesian telecommunications agency.
Nine months later, after around-the-clock work by NASA, Hughes and the underwriters, who now owned both relay stations, the two satellites were rescued by spacewalkers Joe Allen and Dale Gardner, who pulled them aboard the shuttle Discovery in one of the most dramatic space missions ever conducted. The satellites then were carried back to Earth and returned to Hughes for refurbishment and eventual re-launch.
Westar VI later was sold to a consortium based in Hong Kong, renamed Asiasat 1 and successfully launched last Saturday, April 7, by a Chinese Long March rocket. Palapa B-2R was bought by Sattel Technologies Inc., a private company that contracted with the government of Indonesia to refurbish and re-launch the satellite. "The spacecraft was in super shape," said Braverman. "The nine months of orbital exposure it had were very benign and basically we only had to replace the items we used extensively during the nine months, the batteries, the on-board propulsion system."
The Delta II, an upgraded version of the workhorse Delta rockets launched for years by NASA, was designed to carry military Global Positioning System Navstar satellites into orbit for the Air Force. But the $669 million contract to build and launch 20 Delta IIs for the Navstar program required McDonnell Douglas to make the rockets available on a commercial basis as part of a program to encourage development of a private-sector launch industry. (Deseret News, Apr. 14, 1990 – edited)