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Technology Readiness Assessment (TRA)
A systematic, metrics-based process assessing the maturity of, and technical risk associated with, critical technologies in acquisition programs.
Critical Technology
Technology posing major technical risk during development, especially during the Engineering and Manufacturing Development (EMD) phase
Breadboard
Integrated components configured for laboratory use to demonstrate concept feasibility and technical principles. Resembles final system in function only.
Model
A functional form of a system, generally reduced in scale, near or at operational specifications, sufficiently hardened to demonstrate technical and operational capabilities
Prototype
A physical or virtual model used to evaluate technical/manufacturing feasibility or military utility
Relevant Environment
A testing environment simulating the most important and most stressing aspects of the operational environment
Operational Environment
An environment addressing all operational requirements and specifications (including packaging, platform, and environmental stress)
Low Fidelity
Representative model providing only first-order information (used for trend analysis)
High Fidelity
Addresses form, fit, and function; validates system specifications in an integrated laboratory setting
TRL 1 (basic principles observed and reported)
Scientific research begins transitioning into applied R&D (paper studies)
TRL 2 (technology concept/application formulated)
Invention begins; practical applications conceived. Speculative; supported by analytic studies
TRL 3 (analytical & experimental proof of concept)
Active R&D initiated. Analytical studies and laboratory experiments validate separate unintegrated elements
TRL 4 (component/breadboard validation in LABORATORY)
Basic components integrated to confirm they work together (LOW FIDELITY), ad hoc hardware)
TRL 5 (component/breadboard validation in RELEVANT ENVIRONMENT)
Significant fidelity increase; tested with realistic supporting elements in simulated environment
TRL 6 (system/subsystem model or prototype in RELEVANT ENVIRONMENT)
Major milestone step: Representative model/prototype testing in relevant/simulated operational environment (REQUIRED for MILESTONE B)
TRL 7 (system prototype demonstration in OPERATIONAL ENVIRONMENT)
Prototype near or at planned operational system demonstrated in operational environment (testbed aircraft, vehicle, space)
TRL 8 (actual system completed and qualified through test & demonstration)
True development complete; developmental test and evaluation (DT&E) confirms system meets design specifications
TRL 9 (actual system proven through successful mission operations)
Operational use under ,is soon conditions (OT&E reports, actual combat/field deployments)
Integrated Master Plan (IMP)
Event-based - Not calendar-based
Structured around major program events, accomplishments, and narrative completion criteria
Integrated Master Schedule (IMS)
Time-based - Calendar-driven - Networked schedule
Expands directly from IMP events and criteria down to discrete wire packages, planning packages, task durations, and dependencies
A “living document” continuously updated throughout project execution
Identify Tasks
Decompose WBS into discrete tasks with defined starts, finishes, costs, and deliverables
Sequence Tasks
Establish logical relationships using network diagrams
Mandatory Dependencies (Hard Logic)
Inherent physical/technical requirements (foundation before framing)
Discretionary Dependencies (Soft Logic)
Preferred order based on best practices or organizational policies
External Dependencies
Restrictions outside program control (environmental approval, test range availability)
Determine Resource Requirements
Calculate necessary labor categories, equipment, and facilities
Estimate Task Durations
Establish work days required based in effort and available personnel
Construct Schedules
Perform forward and backward passes to establish critical path, float, and baseline dates
Finish-to-Start (FS)
Successor cannot start until predecessor finishes (STANDARD accounts for 90% of links)
Start-to-Start (SS)
Successor cannot start until predecessor starts
Finish-to-Finish (FF)
Successor cannot finish until predecessor finishes
Start-to-Finish (SF)
Successor cannot finish until predecessor starts (extremely rare; avoid)
Lag
A planned delay inserted between tasks
Lead (Negative Lag)
Accelerating a successor before predecessor completion. AVOID entirely (target=0) because it distorts float and masks critical path risks
Horizontal Traceability
Demonstrates that detailed tasks follow a logical sequence across time and account for predecessor/successor handoffs
Vertical Traceability
Demonstrates data consistency across all hierarchy levels
Integrated Baseline Review (IBR)
A joint government-contractor review assessing baseline realism, scope coverage, logic, and risk. Ni later than 180 days after contract award or major contract modifications.
Parkinson’s Law
Work expands to fill the time allotted. Workers consume entire durations regardless of capability.
Student Syndrome
Procrastination; delaying full effort until the deadline looms.
Multitasking
Fragmented attention causes inefficiencies across multiple active tasks.
Padded Estimates
Safely buffers get wasted because workers slacken pace knowing a cushion exists.
Successor Task Bottlenecks
Downstream teams are unready or unable to accept early deliverables.
Float Formula
Late Finish (LF) - Early Finish (EF)
Total Float
Time an activity can slip without delaying the overall project completion date.
Free Float
Time an activity can slip without delaying any successor task.
Critical Path
The sequence of tasks with the longest total duration and least float (determining minimum project time)
Analogy
Compares new system directly to a single historical system using subjective adjustments (Very early, Fast, Inexpensive, High cost risk)
Parametric
Uses regression analysis on historical database to create Cost Estimating Relationships (CERs) (Early stages, fast, dependent on database accuracy)
Engineering (Bottom-Up)
Detailed cost buildup at lowest WBS level using drawings, bills of materials, and labor standards (Late development EMD, Highly Detailed, Very Costly and Time-Consuming)
Actual Costs (Extrapolation)
Extrapolates historical costs from prototype, test articles, or early production lots using learning curves. (Late Phases, Highest accuracy)
Direct Costs
Labor & Materials - Traced directly to the product
Indirect Costs
Overhead, G&A
Raw Materials
Sheet metal, plastics, & bar stock
Purchased Parts
Standard vendor parts (switches, fasteners, batteries)
Commercial Items
Off-the-shelf items sold commercially (Chips, Boards)
Interdivisional Transfers
Items transferred across company divisions; priced at cost without profit
Subcontracted Items
Major subassemblies built to prime specifications (engines, landing gear)
Loading Factors
Adders for consumables, excess usage (scrap/spoilage), obsolescence, and inventory discrepancies
Decrement Factor
Downward adjustment applied to subcontractor quotes to reflect historical savings won during negotiations
Recurring Costs
Repetitive costs that vary with quantity produced (fabrication, assembly, operational configuration testing, sustaining engineering)
No recurring Costs
One-time or non repetitive development cost that generally do not vary with quantity (R&D, tooling design, test fixtures, initial qualification, software architecture)
Divergent Phase (Open)
Brainstorm broadly; withhold evaluation; encourage wild ideas; emphasize quantity over quality; allow ideas to grow
Convergent Phase (Focus)
Use logic & methodical screening; define explicit evaluation criteria; avoid rushing to premature closure; select & strengthen ideas
Structured
Round-robin turn-taking. Guarantees equal participation, but lacks spontaneity
Unstructured
free-flow discussion. High synergy, but risks dominance by aggressive personalities
Silent (Brainwritting)
Ideas written on cars/sticky notes without speaking. Eliminates interpersonal pressure & debating generation
Cause & Effect Diagram (Ishikawa/Fishbone)
Identifies root causes of a specific failure or defect (People, Product, Process, Equipment)
Force field Analysis
Weighs forces pushing toward a goal (Driving Forces +) against forces blocking it (Restraining Forces - )
Histogram
Displays frequency distribution of continuous variables
Scatter Diagram
Identifies mathematical/statistical correlation between two variables(Positive slope/direct, Negative slope/inverse, or circular dispersion/no correlation
The Prioritization Matrix
Compares alternatives using weighted scores across criteria (Cost, Schedule, Performance)
Affordability Constraints
The highest scoring option may not be selected if it breaches a hard constraint (budget ceiling/weight limit)
Trade-off Space
If an alternative delivers superior operational value but exceeds an individual component budget, PMs must explore trade-offs across other system areas before finalizing
Affinity Diagram
Organizes high volume of brainstormed items into natural thematic clusters (group ideas silently without discussion
Pairwise Ranking
Prioritizes a small list of items through direct head-to-head comparisons
Pareto Chart
Isolates the “vital few” root causes from the “trivial many” (80/20 Rule) , vertical bars ordered in descending order
Oval Symbol
Terminator (start/end trigger)
Rectangle
Process activity/step
Diamond
Decision Point (branching Yes/No)
Circle
Connector/Jump to another page
Deployment Flowchart (swimlane)
Distributes steps into horizontal or vertical lanes representing departments or roles. Pinpoints handoffs, gaps, and redundant work
Nominal Group Technique (NGT)
Eliminates peer pressure by having individuals rank ideas independently before tallying
Weighted Multi-Voting
Participants allocate a fixed budget of points across ideas. A voting ceiling prevents individual participants from distorting results
Responsibility Assignment Matrix (RAM/RACI)
Maps specific tasks to individuals or roles using responsibility designations (Primary, Second, Review, Input)