Please identify all the named entities mentioned in the input sentence provided below. Use only the categories: PER - person, ORG - organization, and LOC - location.
Remember, nationalities are neither locations nor organizations, and organizations can represent other groups of people.
Pay attention to the provided example. You should only output the results in JSON format, following a similar structure to the example result provided.

Example sentence and results:

What is this Miramar?

"Results": [
    {
        "TypeName": "LOC",
        "Text": "Miramar",
        "Start": 13,
        "End": 20
    }
]

Considering the input sentence below, what is the output result?

"NASA will initiate development of a Crew Launch Vehicle derived from space shuttle solid rocket boosters with a new upper stage for human spaceflight," said the letter, signed by NASA Administrator Mike Griffin and the Pentagon 's top space official, ex-astronaut Ron Sega...


"Results": [
    {
        "TypeName": "ORG",
        "Text": "NASA",
        "Start": 1,
        "End": 5
    },
    {
        "TypeName": "ORG",
        "Text": "NASA",
        "Start": 1,
        "End": 5
    },
    {
        "TypeName": "PER",
        "Text": "Mike Griffin",
        "Start": 199,
        "End": 211
    },
    {
        "TypeName": "ORG",
        "Text": "Pentagon",
        "Start": 220,
        "End": 228
    },
    {
        "TypeName": "PER",
        "Text": "Ron Sega",
        "Start": 265,
        "End": 273
    }
]