Future Military Space from Procurement to the Tactical Fight
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Analysis of Narrow-Line Laser Cooling and Trapping of Sr Atoms in Microgravity Environments
applied sciences Article Analysis of Narrow-Line Laser Cooling and Trapping of Sr Atoms in Microgravity Environments Jie Ren 1,2, Hui Liu 3,* , Xiaotong Lu 1,2 and Hong Chang 1,2,* 1 CAS Key Laboratory of Time and Frequency Primary Standards, National Time Service Center, Xi’an 710600, China; [email protected] (J.R.); [email protected] (X.L.) 2 School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049, China 3 State Key Laboratory of Photoelectric Technology and Functional Materials, International Collaborative Center on Photoelectric Technology and Nano Functional Materials, Institute of Photonics & Photon-Technology, Northwest University, Xi’an 710069, China * Correspondence: [email protected] (H.L.); [email protected] (H.C.) Received: 7 June 2020; Accepted: 15 July 2020; Published: 17 July 2020 Abstract: Obtaining ultracold alkaline earth(-like) atoms in space encounters the problem of performing narrow-line laser cooling in microgravity environments (µ-gEs). This paper reports an analysis of the magneto-optical trap (MOT) based on the narrow-line transition in 88Sr, while paying special attention to the role of the gravity. This analysis suggests the MOTs based on narrow-line transitions cannot be cold and dense enough in a µ-gE. We thus propose a strategy: that one can use a dual-frequency MOT to realize a low-temperature, high density, and high transfer efficiency, narrow-line red MOT in µ-gEs. Keywords: lasering cooling and trapping; microgravity; Monte Carlo simulation; optical lattice clocks; in space 1. Introduction Great efforts have been made in recent decades to push cold atoms into microgravity environments [1]. -
The Continuum of Space Architecture: from Earth to Orbit
42nd International Conference on Environmental Systems AIAA 2012-3575 15 - 19 July 2012, San Diego, California The Continuum of Space Architecture: From Earth to Orbit Marc M. Cohen1 Marc M. Cohen Architect P.C. – Astrotecture™, Palo Alto, CA, 94306 Space architects and engineers alike tend to see spacecraft and space habitat design as an entirely new departure, disconnected from the Earth. However, at least for Space Architecture, there is a continuum of development since the earliest formalizations of terrestrial architecture. Moving out from 1-G, Space Architecture enables the continuum from 1-G to other gravity regimes. The history of Architecture on Earth involves finding new ways to resist Gravity with non-orthogonal structures. Space Architecture represents a new milestone in this progression, in which gravity is reduced or altogether absent from the habitable environment. I. Introduction EOMETRY is Truth2. Gravity is the constant.3 Gravity G is the constant – perhaps the only constant – in the evolution of life on Earth and the human response to the Earth’s environment.4 The Continuum of Architecture arises from geometry in building as a primary human response to gravity. It leads to the development of fundamental components of construction on Earth: Column, Wall, Floor, and Roof. According to the theoretician Abbe Laugier, the column developed from trees; the column engendered the wall, as shown in FIGURE 1 his famous illustration of “The Primitive Hut.” The column aligns with the human bipedal posture, where the spine, pelvis, and legs are the gravity- resisting structure. Caryatids are the highly literal interpretation of this phenomenon of standing to resist gravity, shown in FIGURE 2. -
Instruction 10-1204 1 June 2006
BY ORDER OF THE COMMANDER AIR FORCE SPACE COMMAND AIR FORCE SPACE COMMAND INSTRUCTION 10-1204 1 JUNE 2006 Operations SATELLITE OPERATIONS COMPLIANCE WITH THIS PUBLICATION IS MANDATORY NOTICE: This publication is available digitally on the AFDPO WWW site at: http://www.e-publishing.af.mil. OPR: A3FS (Lt Col Kirk Jester) Certified by: A3F (Col David Jones) Pages: 22 Distribution: F This instruction implements Air Force Policy Directive (AFPD) 10-12, Space, Air Force Instruction (AFI) 10-1201, Space Operations and United States Space Command Policy Directive (UPD) 10-39, Sat- ellite Disposal Procedures (UPD 10-39 is being updated to a Strategic Command Directive (SD)), by establishing guidance and procedures for satellite operations and disposal. It applies to Headquarters Air Force Space Command (HQ AFSPC) and all subordinate units utilizing dedicated satellite control assets or common use and/or unique resources of the Air Force Satellite Control Network (AFSCN), except for Royal Air Force (RAF) Telemetry and Command Squadron (TCS), Oakhanger. This instruction applies to Air National Guard (ANG) and Air Force Reserve Command (AFRC) units with satellite control respon- sibilities. Submit changes to HQ AFSPC/A3F, Global Space Operations Division, 150 Vandenberg St., Ste 1105, Peterson AFB CO 80914-4250. If there is a conflict between this instruction and unit, contractor or other major command publications, this instruction applies. Maintain and dispose of records created as a result of prescribed processes in accordance with Air Force Records Disposition Schedule (RDS) which may be found on-line at https://afrims.amc.af.mil. The previous Air Force Space Command Instruction (AFSPCI) 10-1204, dated 1 September 1998, was rescinded in 2001. -
Windows to the World - Doors to Space - a Reflection on the Psychology and Anthropology of Space Architecture
Space: Science, Technology and the Arts (7th Workshop on Space and the Arts) 18-21 May 2004, ESA/ESTEC, Noordwijk, The Netherlands Windows to the world - Doors to Space - a reflection on the psychology and anthropology of space architecture. Andreas Vogler, Architect(1), Jesper Jørgensen, Psychologist(2) (1)Architecture and Vision / SpaceArch Hohenstaufenstrasse 10, D-80801 MUNICH GERMANY [email protected], [email protected] (2) SpaceArch c/o Kristian von Bengtson Prinsessegade 7A, st.tv DK - 1422 Copenhagen K, Denmark [email protected] ABSTRACT Living in a confined environment as a space habitat is a strain on normal human life. Astronauts have to adapt to an environment characterized by restricted sensory stimulation and the lack of “key points” in normal human life: seasons, weather change, smell of nature, visual, audible and other normal sensory inputs which give us a fixation in time and place. Living in a confined environment with minimal external stimuli available, gives a strong pressure on group and individuals, leading to commonly experienced symptoms: tendency to depression, irritability and social tensions. It is known, that perception adapts to the environment. A person living in an environment with restricted sensory stimulation will adapt to this situation by giving more unconscious and conscious attention to the present sensory stimuli. Newest neurobiological research (neuroaestetics) shows that visual representations (like Art) have a remarkable impact in the brain, giving knowledge that these representations both function as usual information and as information on a higher symbolic level (Zeki). Therefore designing a space habitat must take into consideration the importance of design, not only in its functional role, but also as a combination of functionality, mental representation and its symbolic meaning, seen as a function of its anthropological meaning. -
B-180466 Polar Orbiting Weather Satellite Programs
U-180466 l’ht! Honorable Frank E. Moss Chai rmnn, Committee on Aeronautical .r- Cf ‘ind Space Sciences ;>, r-,rr*Id- l~llll~llllllllllllllllllluu~llllllllllllllll United States Senate LM095911 f?- Dear Ilr. Chairman: Your January 1.6, 19 74, letter asked us to obtain cost and other data ~ on both the Department of the Air Force and the joint Natioual Aeronauticsn and Space Administration (NASA)/National Oceanic and Atmospheric Adminis- *76 tration (NOAA) polar orbiting weather satellite programs. L .-__,__ cs&~yl”.^-b -.,I-*Ii*--... --:- -*-“a .-,. We interviewed officials in NASA, NOM, the Department of the Air Force and the Office of Management and Budget (OHU). At these meetings they told us of the existence of two classified studies which provided some comparative analyses of the technical cfrar; cteristics and costs of the NASA and Air Force operational weather satellite systems and the follow-on sys tems in development . We then met with your staff on February 13, 1974, and orally presented the information, At that meeting your staff as ed us for 11 written re- port, We have not independently verified the d :ta; however, we have dis- cussed the matters in this report with the agent y officials. We plan to discuss briefly the history of I he NASA/NOM and Air Force satellite sys terns, compare tl~e characteristics Ilf both systems, provide cost comparisons of the operational- and develop~oental satellite --.-.systems, and furnish information on plans to obtain some mcasurc of commonality of bcltll sys terns. --_.III STORY _-- OF NASA/NOM --_-PKOCRhM The purpose of the joint NASA/NOAA weather satellite system is to provide systematic, +;Lobal cloud cover observations and other meteorologi- cal observations to incrt*&x: man’s ability to -forecast wc;lthcrI m--...YII-._conditions. -
History of NOAA's Polar Observational Environmental Satellites the First
History of NOAA’s Polar Observational Environmental Satellites The first weather satellite in a series of spacecraft originally known as the Television Infrared Observation Satellites (TIROS) was launched on April 1, 1960. By the mid 1970’s NOAA and NASA agreed to produce the series operationally based on the TIROS-N generation of satellites. TIROS-N, a research and development spacecraft serving as a prototype for the operational follow-on series, NOAA-A through NOAA-N Prime was on launched October 13, 1978. Beginning with NOAA-E, launched in 1983, the basic satellite was “stretched” to permit accommodation of additional research instruments. This became known as the Advanced TIROS-N configuration. Some of the additional instruments flown include: Search and Rescue; Earth Radiation Budget Experiment, and the Solar Backscatter Ultraviolet spectrometer. Three of those instruments, Search and Rescue Repeater, Search and Rescue Processor and Solar Backscatter Ultraviolet Radiometer, became part of the operational program. The primary sounding instrumentation has remained essentially unchanged until the addition of Advanced Microwave Sounding Units-A and -B on NOAA-K (15). The Microwave Humidity Sounder replaces the AMSU-B on NOAA-N Prime performing essentially the same science. The satellite design life throughout the series has been two years. The lifetime is a cost/risk tradeoff since more years normally result in a more expensive satellite. To mitigate that risk, the NOAA-N Prime satellite uses the most reliable NASA-approved flight parts, Class S, and considerable redundancy in critical subsystem components. The instruments are not redundant, but they have a three-year design life in order to enhance their expected operational reliability. -
7. Operations
7. Operations 7.1 Ground Operations The Exploration Systems Architecture Study (ESAS) team addressed the launch site integra- tion of the exploration systems. The team was fortunate to draw on expertise from members with historical and contemporary human space flight program experience including the Mercury, Gemini, Apollo, Skylab, Apollo Soyuz Test Project, Shuttle, and International Space Station (ISS) programs, as well as from members with ground operations experience reaching back to the Redstone, Jupiter, Pershing, and Titan launch vehicle programs. The team had a wealth of experience in both management and technical responsibilities and was able to draw on recent ground system concepts and other engineering products from the Orbital Space Plane (OSP) and Space Launch Initiative (SLI) programs, diverse X-vehicle projects, and leadership in NASA/Industry/Academia groups such as the Space Propulsion Synergy Team (SPST) and the Advanced Spaceport Technology Working Group (ASTWG). 7.1.1 Ground Operations Summary The physical and functional integration of the proposed exploration architecture elements will occur at the primary launch site at the NASA Kennedy Space Center (KSC). In order to support the ESAS recommendation of the use of a Shuttle-derived Cargo Launch Vehicle (CaLV) and a separate Crew Launch Vehicle (CLV) for lunar missions and the use of a CLV for ISS missions, KSC’s Launch Complex 39 facilities and ground equipment were selected for conversion. Ground-up replacement of the pads, assembly, refurbishment, and/or process- ing facilities was determined to be too costly and time-consuming to design, build, outfit, activate, and certify in a timely manner to support initial test flights leading to an operational CEV/CLV system by 2011. -
Space Almanac 2007
2007 Space Almanac The US military space operation in facts and figures. Compiled by Tamar A. Mehuron, Associate Editor, and the staff of Air Force Magazine 74 AIR FORCE Magazine / August 2007 Space 0.05g 60,000 miles Geosynchronous Earth Orbit 22,300 miles Hard vacuum 1,000 miles Medium Earth Orbit begins 300 miles 0.95g 100 miles Low Earth Orbit begins 60 miles Astronaut wings awarded 50 miles Limit for ramjet engines 28 miles Limit for turbojet engines 20 miles Stratosphere begins 10 miles Illustration not to scale Artist’s conception by Erik Simonsen AIR FORCE Magazine / August 2007 75 US Military Missions in Space Space Support Space Force Enhancement Space Control Space Force Application Launch of satellites and other Provide satellite communica- Ensure freedom of action in space Provide capabilities for the ap- high-value payloads into space tions, navigation, weather infor- for the US and its allies and, plication of combat operations and operation of those satellites mation, missile warning, com- when directed, deny an adversary in, through, and from space to through a worldwide network of mand and control, and intel- freedom of action in space. influence the course and outcome ground stations. ligence to the warfighter. of conflict. US Space Funding Millions of constant Fiscal 2007 dollars 60,000 50,000 40,000 30,000 20,000 10,000 0 Fiscal Year 59 62 65 68 71 74 77 80 83 86 89 92 95 98 01 04 Fiscal Year NASA DOD Other Total Fiscal Year NASA DOD Other Total 1959 1,841 3,457 240 5,538 1983 13,051 18,601 675 32,327 1960 3,205 3,892 -
Space Almanac 2005
SpaceAl2005 manac Stratosphere begins 10 miles Limit for turbojet engines 20 miles Limit for ramjet engines 28 miles Astronaut wings awarded 50 miles Low Earth orbit begins 60 miles 0.95G 100 miles Medium Earth orbit begins 300 miles 44 44 AIR FORCEAIR FORCE Magazine Magazine / August / August 2005 2005 SpaceAl manacThe US military space operation in facts and figures. Compiled by Tamar A. Mehuron, Associate Editor, and the staff of Air Force Magazine Hard vacuum 1,000 miles Geosynchronous Earth orbit 22,300 miles 0.05G 60,000 miles NASA photo/staff illustration by Zaur Eylanbekov Illustration not to scale AIR FORCE Magazine / August 2005 AIR FORCE Magazine / /August August 2005 2005 4545 US Military Missions in Space Space Force Support Space Force Enhancement Space Control Space Force Application Launch of satellites and other Provide satellite communica- Assure US access to and freedom Pursue research and devel- high-value payloads into space tions, navigation, weather, mis- of operation in space and deny opment of capabilities for the and operation of those satellites sile warning, and intelligence to enemies the use of space. probable application of combat through a worldwide network of the warfighter. operations in, through, and from ground stations. space to influence the course and outcome of conflict. US Space Funding Millions of constant FY06 dollars $50,000 DOD 45,000 NASA 40,000 Other Total 35,000 30,000 25,000 20,000 15,000 10,000 5,000 0 59 62 66 70 74 78 82 86 90 94 98 02 04 Fiscal Year FY NASA DOD Other Total FY NASA DOD Other -
The New American Space Age: a Progress Report on Human Spaceflight the New American Space Age: a Progress Report on Human Spaceflight the International Space
The New American Space Age: A PROGRESS REPORT ON HUMAN SpaCEFLIGHT The New American Space Age: A Progress Report on Human Spaceflight The International Space Station: the largest international scientific and engineering achievement in human history. The New American Space Age: A Progress Report on Human Spaceflight Lately, it seems the public cannot get enough of space! The recent hit movie “Gravity” not only won 7 Academy Awards – it was a runaway box office success, no doubt inspiring young future scientists, engineers and mathematicians just as “2001: A Space Odyssey” did more than 40 years ago. “Cosmos,” a PBS series on the origins of the universe from the 1980s, has been updated to include the latest discoveries – and funded by a major television network in primetime. And let’s not forget the terrific online videos of science experiments from former International Space Station Commander Chris Hadfield that were viewed by millions of people online. Clearly, the American public is eager to carry the torch of space exploration again. Thankfully, NASA and the space industry are building a host of new vehicles that will do just that. American industry is hard at work developing new commercial transportation services to suborbital altitudes and even low Earth orbit. NASA and the space industry are also building vehicles to take astronauts beyond low Earth orbit for the first time since the Apollo program. Meanwhile, in the U.S. National Lab on the space station, unprecedented research in zero-g is paving the way for Earth breakthroughs in genetics, gerontology, new vaccines and much more. -
The Outer Space Also Needs Architects
Paper ID #31322 The Outer Space Also Needs Architects Dr. Sudarshan Krishnan, University of Illinois at Urbana - Champaign Sudarshan Krishnan specializes in the area of lightweight structures. His current research focuses on the structural design and stability behavior of cable-strut systems and transformable structures. He teaches courses on the planning, analysis and design of structural systems. As an architect and structural designer, he has worked on a range of projects that included houses, hospitals, recreation centers, institutional buildings, and conservation of historic buildings/monuments. Professor Sudarshan is an active member of Working Group-6: Tensile and Membrane Structures, and Working Group-15: Structural Morphology, of the International Association of Shell and Spatial Struc- tures (IASS). He serves on the Aerospace Division’s Space Engineering and Construction Technical Com- mittee of the American Society of Civil Engineers (ASCE), and the ASCE/ACI-421 Reinforced Concrete Slabs Committee. He is the past Program Chair of the Architectural Engineering Division of the Ameri- can Society for Engineering Education (ASEE). He is also a member of the Structural Stability Research Council (SSRC). From 2004-2007, Professor Sudarshan served on the faculty of the School of Architecture and ENSAV- Versailles Study Abroad Program (2004-06) in France. He was a recipient of the School of Architec- ture’s ”Excellence in Teaching Award,” the College of Fine and Applied Arts’ ”Faculty Award for Ex- cellence in Teaching,” and has been -
10. Satellite Weather and Climate Monitoring
II. INTENSITY: ACTIVITIES AND OUTPUTS IN THE SPACE ECONOMY 10. Satellite weather and climate monitoring Meteorology was the first scientific discipline to use space Figure 1.2). The United States, the European Space Agency capabilities in the 1960s, and today satellites provide obser- and France have established the most joint operations for vations of the state of the atmosphere and ocean surface environmental satellite missions (e.g. NASA is co-operating for the preparation of weather analyses, forecasts, adviso- with Japan’s Aerospace Exploration Agency on the Tropical ries and warnings, for climate monitoring and environ- Rainfall Measuring Mission (TRMM); ESA and NASA cooper- mental activities. Three quarters of the data used in ate on the Solar and Heliospheric Observatory (SOHO), numerical weather prediction models depend on satellite while the French CNES is co-operating with India on the measurements (e.g. in France, satellites provide 93% of data Megha-Tropiques mission to study the water cycle). Para- used in Météo-France’s Arpège model). Three main types of doxically, although there have never been so many weather satellites provide data: two families of weather satellites and environmental satellites in orbit, funding issues in and selected environmental satellites. several OECD countries threaten the sustainability of the Weather satellites are operated by agencies in China, provision of essential long-term data series on climate. France, India, Japan, Korea, the Russian Federation, the United States and Eumetsat for Europe, with international co-ordination by the World Meteorological Organisation Methodological notes (WMO). Some 18 geostationary weather satellites are posi- Based on data from the World Meteorological Orga- tioned above the earth’s equator, forming a ring located at nisation’s database Observing Systems Capability Analy- around 36 000 km (Table 10.1).