MIL-HDBK-1908B
Acquisition phases acq:
Phase 0 - Concept exploration. Phase 0 typically consists of competitive, parallel short term concept studies. The focus of these efforts is to define and evaluate the feasibility of alternative concepts and to provide a basis for assessing the relative merits (i.e., advantages and disadvantages, degree of risk) of these concepts a the next milestone decision point. Analysis of alternatives should be used a appropriate to facilitate comparisons of alternative concepts. The most promising system concepts should be defined in terms of initial, broad objectives for cost, schedule, performance,
software requirements, opportunities for tradeoffs, overall acquisition strategy, and test and evaluation strategy.
Phase I - Program definition and Risk Reduction. During this phase, the program should become defined as one or more concepts, design approaches, and/or parallel technologies are pursued as warranted. Assessments of the advantages and disadvantages of alternative concepts should be refined Prototyping, demonstrations, and early operational assessments should be considered and included as necessary to reduce risk so that technology, manufacturing and support risks are will in hand before the next decision point. Cost drivers, life cycle cost estimates, cost performance trades, interoperability and acquisition strategy alternatives should be considered to include evolutionary and incremental software development.
Phase II - Engineering and Manufacturing development. The primary objectives of this phase are to: translate the most promising design approach into a stable, interoperable, producible, supportable, and cost effective design; validate the manufacturing or production process; and, demonstrate system capabilities through testing. Low Rate Initial Production (LRIP) occurs while the Engineering and Manufacturing Development phase is still continuing as test results and design fixes or upgrades are incorporated.
Phase III - Production, Fielding/Deployment, and Operational Support. The objectives of this phase are to achieve an operational capability that satisfies mission needs. Deficiencies encountered in Developmental Test and Evaluation (DT&E) and Initial Operational Test and Evaluation (IOT&E) should be resolved and fixes verified. The production requirement of this phase does not apply to ACAT IA acquisition programs or software intensive systems with no developmental hardware components. During fielding/deployment and throughout operational support, the potential for modifications to the fielded/deployed systems continues.
Action uci. The process of changing the present state of the system (that is, processing data, carrying out a command).
Advisory Signal gen. A signal to indicate safe or normal configuration, condition of performance, operation of essential equipment, or to attract attention and impart information for routine action purposes including a signal to indicate a change in system status that , while important, does not require immediate action on the part of the operator.
Aided communication snv. Electrically or electronically enhanced, real-time, analog or digital voice communications. In aircraft systems, the communication parts include intra-aircraft, inter- aircraft, and aircraft-to-ground links.
Aircraft pre-flight inspection gen. Checking the aircraft prior to each flight for flight preparedness by performing visual examinations and operational tests to discover defects and maladjustments which, if not corrected, could adversely affect safety or mission accomplishment. Also includes a check to determine that the aircraft has been properly serviced for the next flight.
Alpha gen/uci. A descriptive term used to define a character set containing the letters of an ethnic alphabet, and generally punctuation marks.
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